A square water tank has its side equal to 40m. There are four semi-circular grassy plots all round it. Find the cost of surfing the plot at Rs.1.25 per square meter .

Question

Philoid · Accepted Answer

Side of water tank = 40m

Side of semi circular grassy plots =

Area of one grassy plot =

Area of grassy plots = 4×200π = 800π

Area of grassy plots = 800 × 3.14 = 2512 cm²

Cost of surfing 1m² plot = 1.25 Rs

Cost of surfing 2512m² = 2512 × 1.25 = 3140 Rs

A square water tank has its side equal to 40m. There are four semi-circular grassy plots all round it. Find the cost of surfing the plot at Rs.1.25 per square meter.