a rhombus shaped seat with a perimeter of 32 m and a diagonal of 10 metres in length has its two sides painted at the rate of 5 rupees per metre square find the cost of paint
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Answer:
side of Rhombus-32/4=8m
onediagonal=10m
other diagonal=2Va2-(d/2)^2
= 2 V8^2-5^2 = 2 v64-25
= 2 v39=2x 6.2
12.4m
area of diagnnel=did 2/2 =
10x12.4/2=62m2
2 sides =124m2
Cost of paints@5 =124x5= Rs620
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