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Question

# Ali runs along the sides of a square park whose side is 10 m long. Find the distance covered by Ali if he runs around the park twice.

A

40 m

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B

60 m

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C

80 m

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D

100 m

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Solution

## The correct option is C 80 m Given: Side of the Square = 10 m Ali is running along the boundary of the park. This implies that the distance covered by him will be equal to the perimeter of the park. Perimeter of a square = 4 × Side ⇒ Perimeter of the square park = 4 × 10 m = 40 m Distance covered by Ali in two rounds of the park = 2 × Perimeter of the park = 2 × 40 m = 80 m Therefore, distance covered by Ali is 80 m.

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