The side of a square park is 650 m. If a man walks three rounds along the boundary of the square, then find the distance walked by him in km.

7.8 km

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7.6 km

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7.2 km

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7 km

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Solution

The correct option is A
7.8 km

Distance walked = 3 x perimeter of square park

Side length of the square park = 650 m

Perimeter of the square park = 4 x Side
$\Rightarrow$ Its perimeter = 4 x 650 = 2600 m
= 2.6 km (since 1 km = 1000m)

Distance covered by the man in 3 rounds
= 3 x 2.6
= 7.8 km

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The side of a square park is 650 m. If a man walks three rounds along the boundary of the square, then find the distance walked by him in km.

The correct option is A 7.8 km Distance walked = 3 x perimeter of square park Side length of the square park = 650 m Perimeter of the square park = 4 x Side ⇒ Its perimeter = 4 x 650 = 2600 m = 2.6 km (since 1 km = 1000m) Distance covered by the man in 3 rounds = 3 x 2.6 = 7.8 km

The correct option is A
7.8 km

Distance walked = 3 x perimeter of square park

Side length of the square park = 650 m

Perimeter of the square park = 4 x Side
$\Rightarrow$ Its perimeter = 4 x 650 = 2600 m
= 2.6 km (since 1 km = 1000m)

Distance covered by the man in 3 rounds
= 3 x 2.6
= 7.8 km