Tina is cycling at the speed of 10 km per hour how long will she take to make a round of a circular field of radius 50 cm take pie= 31.4
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Step-by-step explanation:
circumference= 2*π* radius
= 2* 3.14*50
= 314cm
speed= 10km per hr
= 278 cm per sec
time = 314/278 sec
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