Question

A field is in the shape of a right triangle with sides 90 m and 120 m respectively containing the right angle. Calculate the cost of levelling the field at the rate of₹ 15 per m square

Answer 1

because it is a right angle triangle, the lllrd side = 60m
area of right angle triangle =1/2base x perpendicular height .
$1 \div 2 \times 60$