Question

12. A man is running along the side of a square at a speed of 8 m/s. If he takes 1 min 30 s to cover the perimeter once, find the area of the square.
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Answer 1

Answer:

d=500 m

(2πr)

circumference =2π(

2

500

)

speed =500π

min

m

distance =500π

min

m

×5.5 min

=2750π m

=8635 m

Displacement

500π is one round

2750π is →?

500π

2750π

=5.5 rounds

displacement = length of diameter

=500 m.

solution