Q11 of 93 Page 10

In Fig. 10.53, ABC is a right triangle right-angled at B such that BC = 6 cm and AB = 8 cm. Find the radius of its incircle.

Let ABC be the right angled triangle such that angle B=90o, BC=6cm, AB= 8cm. Let O be the centre and r be the radius of the in circle.



AB, BC and CA are tangent to the circle at P,N and M


OP=ON=OM=r (radius of the circle)



More from this chapter

All 93 →
9

If PA and PB are tangents from an outside point P. such that PA = 10 cm and . Find the length of chord AB.

 10

From an external point P, tangents PA are drawn to a circle with centre O. If CD is the tangent to the circle at a point E and PA = 14 cm, find the perimeter of .

 12

From a point P, two tangents PA and PB are drawn to a circle with centre O. If OP = diameter of the circle, show that is equilateral.

 13

Two tangent segments PA and PB are drawn to a circle with centre O such that . Prove that OP = 2 AP.