# NCERT Mathematics Class 10 Exemplar Ch 11 Area Related to Circles Part 5

Doorsteptutor material for CBSE is prepared by world's top subject experts: fully solved questions with step-by-step explanation- practice your way to success.

13. In Fig. 11.12, arcs have been drawn with radii each and with centres P, Q and R. Find the area of the shaded region.

Answer:

14. A circular park is surrounded by a road wide. If the radius of the park is , find the area of the road.

Answer:

15. In Fig. 11.13, arcs have been drawn of radius each with vertices of quadrilateral as centres. Find the area of the shaded region.

Answer:

16. A piece of wire long is bent into the form of an arc of a circle subtending an angle of at its centre. Find the radius of the circle.

Answer: