the area of a rectangle of breath 3 centimetre is equal to the area of a square of side 9 CM then perimeter of a rectangle is
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Answer:
area of square of side 9 cm is
Side × side
= 9 × 9 = 81 cm²
given,
area of square = area of rectangle.
=> l × b = 81
=> l × 3 = 81
=> l = 27 cm
therefore, perimeter = 2(l +b)
= 2(27 + 3)
= 60 cm ans
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