Cost of ploughing at the rate of rs. 10 per meter square is RS 1540 find the radius of circular field?
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Radius of Circular field = 7 m if Cost of ploughing at the rate of rs. 10 per meter square is Rs 1540
Step-by-step explanation:
Cost of ploughing at the rate of rs. 10 per meter square is Rs 1540
Area of field = 1540/10 = 154 m²
Field is circular
Radius of circular field = R m
Area of field = πR² m²
π = 22/7
πR² = 154
=> (22/7) R² = 154
=> R² / 7 = 7
=> R² = 7 * 7
=> R² = 7²
=> R = 7
Radius of Circular field = 7 m
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