Mathematics, 25.09.2021 21:40 Ruijinzhang3142
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 
to be 22/7 , Calculate
(a) the area of the figure
(b) the length of semicircular arc BCD
Answers: 1
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The figure shows the path of a track. It consists of a semicircular arc BCD and three sides of a rec...
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