In triangle ABC, AB = 10, AC = 12 & BC=18. A circle is drawn such that its centre is on BC& it touches lines AC & AB. What is the radius of circle?
In a ∆ABC, AB=10cm, BC=15cm and AD:DC=2:3. Line BD intersects AC at point D such that BDC=130° BCD=30°. What will be the value of angle ABC?