A diameter of a pipe of lenth 20m is 56 cm. find the cost of painting the surface of the pipe at the rate of12rs per length
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Diameter=56cm
Radius=56/2=28cm
Circumference=2πr=2×22/7×28=176cm
Lenght of Pipe=20m=2000cm
Area of Pipe=2000×176=3,52,000
Cost of Painting=Rs12/per m²
=12×3,52,000
=Rs 42,24,000
Radius=56/2=28cm
Circumference=2πr=2×22/7×28=176cm
Lenght of Pipe=20m=2000cm
Area of Pipe=2000×176=3,52,000
Cost of Painting=Rs12/per m²
=12×3,52,000
=Rs 42,24,000
Answered by
1
Answer:
Step-by-step explanation:
Diameter=56cm
Radius=56/2=28cm
Circumference=2πr=2×22/7×28=176cm
Lenght of Pipe=20m=2000cm
Area of Pipe=2000×176=3,52,000
Cost of Painting=Rs12/per m²
=12×3,52,000
=Rs 42,24,000
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