what shape has all equal angles
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Classification of Quadrilaterals The shapes of elementary geometry are invariably convex. Starting with the most regular quadrilateral, namely, the square, we shall define other shapes by relaxing its properties. A square is a quadrilateral with all sides equal and all angles also equal. Angles in any quadrilateral add up to 360°. It follows that, in a square, all angles measure 90°. An equiangular quadrilateral, i.e. the one with all angles equal is a rectangle. All angles of a rectangle equal 90°. An equilateral quadrilateral, i.e. the one with all sides equal, is a rhombus. In a square, rectangle, or rhombus, the opposite side lines are parallel.
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- Even though this figure contains many angles, it turns out that it only has two kinds of angles: big angles (obtuse) and little angles (acute). All the big angles are equal to each other, and all the little angles are equal to each other. Furthermore, any big angle + any little angle = 180°.
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- 1 Neuron: a special cell which is part of the nervous system. Neurons work together with other cells to pass chemical and electrical signals throughout the body...more.  Nucleus: where DNA stays in the cell, plural is nuclei.
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- Also these quadrilaterals Kite (two pairs of equal side length, opposite angles equal)Arrow-head (two pairs of equal side length, one pair of equal angles) Also, irregular shapes may have no perpendicular or parallel lines. See related links for quadrilateral pictures. a shape with no faces or lines.
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Are all equilateral triangles similar? Explain your answer please.? Report Abuse. yes, all equilateral triangels are similar this is because similar means that all the angles are equal, similar triangles are just larger or smaller copies of eachother. because the angles of a triangle equal 180 and there are 3 angles, all equilateral trianges have 60 degree angles.
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- A rhombus has all sides equal and opposite sides parallel. This includes a square which is a special case of a rhombus with all angles equal (90 degrees) as well. If opposirte … sides are equal but not all sides are equal, it is a parallelogram. 3 people found this useful.
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- PROPERTIES OF TRIANGLES AND QUADRILATERALS. Types of triangles. Triangles can be classified in various ways, based either on their symmetry or their angle properties. An equilateral triangle has all three sides equal in length, and all three angles equal to 60°. An isosceles triangle has two sides equal, and the two angles opposite the equal sides also the same. Thus in the diagram, angle A = angle C. A scalene triangle has all three sides and angles different. All triangles have an interior angle sum of 180°.
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Isosceles Triangle An isosceles triangle is a triangle with (at least) two equal sides. In the figure above, the two equal sides have length and the remaining side has length. This property is equivalent to two angles of the triangle being equal. An isosceles triangle therefore has both two equal sides and two equal angles.
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Triangles Contain 180Â° This is a proof that the angles in a triangle equal 180°: The top line (that touches the top of the triangle) is running parallel to the base of the triangle. So: angles A are the same ; angles B are the same ; And you can easily see that A + C + B does a complete rotation from one side of the straight line to the other, or 180°
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Isosceles Triangles Have Two Equal Sides Isosceles Triangles Have Two Equal Sides. There are many types of triangles in the world of geometry. There is a special triangle called an isosceles triangle. In an isosceles triangle, the base angles have the same degree measure and are, as a result, equal (congruent). Similarly, if two angles of a triangle have equal measure, then the sides opposite those angles are the same length.
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- 1 In an equilateral triangle, all sides are the same length. 2  An equilateral triangle is also a regular polygon with all angles 60°. 3  In an isosceles triangle, at least two sides are equal in length. 4  An isosceles triangle also has two equal angles: the angles opposite the two equal sides.
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This page Depends on the shape. A right triangle has one right angle, a rectangle has 4, an equilateral triangle has none, a circle has no angles. There are polygons with more than 4 ri … ght angles, and there is no limit on how many, but those with more than 4 are not convex. Liam Frayne.
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Isosceles Triangles Have Two Equal Sides There are many types of triangles in the world of geometry. There is a special triangle called an isosceles triangle. In an isosceles triangle, the base angles have the same degree measure and are, as a result, equal (congruent). Similarly, if two angles of a triangle have equal measure, then the sides opposite those angles are the same length. The easiest way to define an isosceles triangle is that it has two equal sides. In an isosceles triangle, we have two sides called the legs and a third side called the base.
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- In a congruent figure we have the same angles and the same sides. So in similar figures, the angles are congruent but the sides are just proportional. That means that they all have the same ratio. If you want to figure out if the shape is congruent, if the figure is congruent, then the sides have to be equal.
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- 1 Congruent Angles angles are angles that have the same measure. 2  An equilateral triangle has all its angles measuring 60°. So, the angles of an equilateral triangle are Congruent Angles.  A square and a rectangle have all their angles measuring 90°. So, the angles of a square and a rectangle are Congruent Angles.
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Quadrilaterals A square has equal sides and every angle is a right angle (90°) Also opposite sides are parallel. A square also fits the definition of a rectangle (all angles are 90°), and a rhombus (all sides are equal length). The Parallelogram. A parallelogram has opposite sides parallel and equal in length.
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- A regular hexagon, also called a perfect hexagon, has six equal sides and six equal angles. You can draw a perfect hexagon using a ruler and a protractor, a rougher hexagon using a round shape and a ruler, or an even more free-flowing hexagon using only a pencil and your intuition.
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Is it true that an isosceles triangle must have only two equal angles? An isosceles triangle is a triangle with (at least) two equal sides. [See source.] It is the equal sides characteristic that defines the isosceles triangle, not two equal angles. True, we can show that, if there are two equal sides, there must also be two equal angles. But the definition is about the sides, not the angles.
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The Properties of a Rectangle The sides and angles of a rectangle: Opposite sides of a rectangle are the same length (congruent). The angles of a rectangle are all congruent (the same size and measure.). Remember that a 90 degree angle is called a right angle.. So, a rectangle has four right angles. Opposite angles of a rectangle are congruent.Opposite sides of a rectangle are parallel.
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- Vertical Angles. When two lines intersect, they create four angles. The angles opposite one another are called vertical angles. Vertical angles are equal to each other. Here 1 = 2, and 3 = 4. Another way to say this is that both little angles are equal to each other and both big angles are equal to each other.
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Isosceles trapezoid Angles[edit] In an isosceles trapezoid the base angles have the same measure pairwise. In the picture below, angles ∠ABC and ∠DCB are obtuse angles of the same measure, while angles ∠BAD and ∠CDA are acute angles, also of the same measure.
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Quadrilaterals A square has equal sides and every angle is a right angle (90°) Also opposite sides are parallel. A square also fits the definition of a rectangle (all angles are 90°), and a rhombus (all sides are equal length). A parallelogram has opposite sides parallel and equal in length. Also opposite angles are equal (angles a are the same, and angles b are the same).
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- 1) By the number of equal sides they have: • scalene - all 3 sides have different lengths. • isosceles - 2 sides have equal lengths. • equilateral - all 3 sides are equal. 2) By the types of angles they have: • acute triangle - all 3 angles are acute (less than 90°) • right triangle - has one right angle (a right angle = 90°) • obtuse triangle - has one obtuse angle (an obtuse angle is greater than 90° and less than 180°).
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- 1 An equilateral triangle has all its angles measuring 60°. So, the angles of an equilateral triangle are Congruent Angles. 2  A square and a rectangle have all their angles measuring 90°. So, the angles of a square and a rectangle are Congruent Angles.  Congruent Angles Figures have the same shape and size.
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Classifying Three Types of Triangles Isosceles triangles. An isosceles triangle has two equal sides and two equal angles. The equal sides are called legs, and the third side is the base. The two angles touching the base (which are congruent, or equal) are called base angles. The angle between the two legs is called the vertex angle.
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Quadrilaterals A parallelogram has opposite sides parallel and equal in length. Also opposite angles are equal (angles a are the same, and angles b are the same). NOTE: Squares, Rectangles and Rhombuses are all Parallelograms! A parallelogram with: all sides equal and.