Question

48. In the figure shown below, ABCD is a
diameter of the circle whose radius is
42 cm. Semicircles are drawn on the
diameters AB and BD, where
AB = BC = CD. Find the perimeter of the
22
shaded part. Use a =
7
22
22
А
D
B
С
3
88
(A) 264 cm
(C) 396 cm
(B) 330 cm
(D) 176 cm​

Answer 1

Answer:

A) 264 cm

peremeter of circle= 2^r

= 2 × 22÷7×42

= 264

Step-by-step explanation:

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