Q. 74.4( 17 Votes )

A rhombus sheet,

Answer :

Since the sides of a rhombus are equal there fore each side = = = 8 m


Let a, b and c are the sides of triangle and s is


the semi-perimeter, then its area is given by:


A = where [Heron’s Formula]


= = 13


A=


A = = cm2


Hence, area of rhombus ABCD = 2 ×31.22 m2


= 62.44 m2


Total painting area of rhombus = 62.44 × 2 = 124.88 m2


Cost of painting of rhombus on both sides = 124.88 × 5 = Rs 624.50


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