Question
A circlular wire of radius 56 cm is bent in the form of
a rectangle whose sides are in the ratio of 13 : 9. The smaller side of the rectangle isSolution
Perimeter of rectangle = Circumference of circular wire 2(a + b) = 2πr 2(9x + 13x ) = 2 × 22/7 × 56 2× 22x = 2 × 22/7 × 56 x = 8 cm. Smaller side = 9 × 8 = 72 cm.
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