Q26 of 131 Page 226

If p squares of each side 1mm makes a square of side 1cm, then p is equal to

Area of square = side×side


Area of 1 square of side 1mm = 1×1 mm2


= 1mm2


Area of square of side 1cm = 1×1cm2


= 1 cm2


Area of square of side 1mm = area of square 1cm


⇒ p × 1mm2 = 1cm2


⇒ pmm2 = (10 mm)2


⇒ pmm2 = 100 mm2

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