Mental Maths Class 5 Mensuration

Asked by AKSHAY GURU VARADHARAJAN · SRI CHAITANYA TECHNO SCHOOL, JAYANTI NAGAR.

A square park has a side of 10 m. If a wire is run around the boundary four times to fence it, what is the total length of the wire used?

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A 40 m
B 80 m
C 160 m
D 100 m

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Answer: C. 160 m

The correct answer is C. One round of the park is its perimeter (10 x 4 = 40 m). Since the wire goes around four times, the total length is 40 x 4 = 160 m.

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A square park has a side of 10 m. If a wire is run around the boundary four times to fence it, what is the total length of the wire used?

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