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

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

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:

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