find the area of triangle with base 8 cm and height 10 cm, find the cost of painting it a the sale of 0.70 rs per cm 2
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Given :
base of triangle = 8 cm
height of triangle = 10 cm
area of triangle = 1/2 × base × height
= 1/2 × 8 × 10
= 40 cm^2
Cost of painting = Rs. 0.70 per cm^2
= 40 × 0.70
= 28
thus, cost of painting is Rs.28
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