A toy train is running on a circular track. The outer and inner radius of the track is 25 cm and 20 cm respectively. Find the area of the track on which toy train is running. (Take pi = 3.14)
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Step-by-step explanation:
Circumference of a circle =2* pi* r; r=D/2
Circumference of track = 2* 3.14* 5 = 31.4 ft = distance
Speed = 1 ft/s
Period = distance/speed = 31.4 ft/1ft/s = 31.4 s The train will take 31.4 s to complete one full journey around the circular track.
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