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 [tex]\pi[/tex] to be 22/7 , Calculate

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

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 cmTaking texpitex class=