Question

A point I is the centre of a circle inscribed in a triangle ABC then vector sum

Answer 1


A circle is inscribed inside right triangle ABC shown above. What is the area of the circle, if the leg AB of the right triangle is 4?

A. 4π(2√−1)24π(2−1)2

B. 8π(2√−1)28π(2−1)2

C. 2π2π

D. 4π4π

E.