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Find the perimeter of a square …

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Find the perimeter of a square whose area is :- a) 49 sq.cm b) 2.56 sq.meter

Posted by Gourav Malik 5 years, 9 months ago

CBSE > Class 07 > Mathematics

3 answers

Ritu Garg 5 years, 9 months ago

28 and 6.4

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Simran Ahden 5 years, 9 months ago

A) if area is 49cm², then side will be square root of 49 that is 7 now we have side we can find the perimeter= 4×side=4×7=28 cm. B) if area is then the side will be square root of 2.56 that is 1.6m, so perimeter=4×side= 4×1.6= 6.4m

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B A 5 years, 9 months ago

A) area =49 Area=side * side 49

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CBSE > Class 07 > Mathematics