Mental Maths Class 5 Mensuration

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

If the perimeter of a square is equal to the perimeter of a rectangle with length 10 cm and breadth 6 cm, find the side of the square.

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A 8 cm
B 16 cm
C 4 cm
D 32 cm

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Answer: A. 8 cm

The correct answer is A. The perimeter of the rectangle is 32 cm (2 x [10 + 6]). Since the square has the same perimeter, its side is 32 / 4 = 8 cm.

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If the perimeter of a square is equal to the perimeter of a rectangle with length 10 cm and breadth 6 cm, find the side of the square.

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