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3 years ago

11

The figure shows the path of a track. It consists of a semicircular arc BCD and three sides of a rectangle in which AB = 20 cm,

AE = 14 cm and DE= 20 cm.
Taking $\pi$ to be 22/7 , Calculate

(a) the area of the figure
(b) the length of semicircular arc BCD

1 answer:

fredd [130]3 years ago

7 0

$\large \mathcal{Answer}$

A. Area of given figure = 280 + 77 = 357 cm²

B. length of semicircle = 22 cm

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