CBSE Class 10 Maths (Basic) 2025 · Paper 430/6/1 · Question 29

Areas Related to Circles 3 marks Medium

A B

and

C D

are diameters of a circle with centre

O

and radius

7

cm. If

∠ B O D = 3 0^{\circ}

, find the area and perimeter of the shaded region.

Answer

Area of the shaded region

= \frac{77}{3} cm^{2} \approx 25.67 cm^{2}

; perimeter of the shaded region

= \frac{106}{3}

\approx 35.33

cm.

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