So a = 21
Arean = a^2
(21)^2 = 441sq unit
Written on Jan. 5, 2026, 2:24 a.m.
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Answer of this question
Find the area of a square whose perimeter is 84 cm
shubhPerimeter = 4a = 84
So a = 21
Arean = a^2
(21)^2 = 441sq unit
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