10th Class
Mathematics
Circles
Question Bank
Circles
question_answer
In the given figure, ABCD is a quadrilateral in which\[\angle \text{Q }=\text{ 9}0{}^\circ \]. A circle C (O, r) touches the sides AB, BC, CD and DA at P, Q, R, S respectively. If BC = 38 cm, CD = 25 cm, and BP = 27 cm, find the value of r.