NCERT Mathematics Class 10 Exemplar Ch 11 Area Related to Circles Part 5
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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.
Arcs Have Been Drawn with Radii 14 Cm
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.
Arcs Have Been Drawn of Radius 21 Cm
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: