Perimeter of a square is equal to that of an equilateral triangle. If perimeter of the triangle is 21.6 cm, side of the square is (a) 7 cm (b) 5 cm (c) 5.4 cm (d) 6 cm
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Answer:
(c) 5.4cm
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Step-by-step explanation:
the ans is c) 5.4 cm as we know perimeter of sq=4a
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