Math, asked by sohan30, 1 year ago

A blackboard of sides 4m 50m and 3m 20cm is to be painted.Find the cost of painting at the rate of rupees 25 per square metre

Answers

Answered by Ayushpratapsingh2210

1

TSA of blackboard = 2(lb + bh + lh)
= 2 (200 + 160 + 12.8)
= 2(372.8)
= 745.6 m^2
Cost of painting
745.6 x 25
= ₹18640

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