Sarthaks Test
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A rhombus sheet, whose perimeter is 32 m and whose one diagonal is 10 m long, is painted on both sides at the rate of Rs 5 per m2 . Find the cost of painting.

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Given that, 

Perimeter of a rhombus = 32 m 

We know that, 

Perimeter of rhombus = 4 × side 

⇒ 49 = 32m 

⇒ a = 8 m 

Let AC = 10 = OA = 1/2 AC 

= 1/2 × 10 

= 5 m

Cost of printing on both sides at the rate of Rs 5 per m2 = Rs 2 × 10√39 ×5 = Rs. 625.00

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