The circumference of a hemispherical dome is 44 m. Calculate the cost of painting at Rs 20 per sq. m.

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Solution

Circumference of the dome

⇒

∴Surface area of the dome

The cost of painting 1 m² of area is given as Rs 20.

Cost of painting the dome

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The circumference of a hemispherical dome is 44 m. Calculate the cost of painting at Rs 20 per sq. m.

Circumference of the dome ⇒ ∴Surface area of the dome The cost of painting 1 m2 of area is given as Rs 20. Cost of painting the dome

Circumference of the dome

⇒

∴Surface area of the dome

The cost of painting 1 m² of area is given as Rs 20.

Cost of painting the dome