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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