1. The circumference of the semicircle is 108 cm. If the side of a square is 30% more the diameter of the semicircle, what is the perimeter of the square ?
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By: anil on 05 May 2019 01.35 am
Let the radius of circle be R Circumference of a semicircle is = 108 So, R = $$frac{108 imes7}{36}$$ Diameter of circle is = 2R As given side of a square is = 1.3 (2R) and we know that perimeter of square = 4 x side of square = perimeter = 4 x 1.3 x 2R = 218.4
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