Calculate the cost of painting the circular floor of a hall of diameter 150m at ₦45 per m2. [π = 3.14]
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Answer:
794,812.5
Step-by-step explanation:
Diameter of circular floor = 150m
Radius of circular floor (r)= 150/2 = 75m
Area of circular floor = π x r² = 3.14 x (75 x 75) = 17,662.5 m²
Cost of painting per m² = 45
Therefore, cost of painting of 17,662.5 m² = 17,662.5 x 45 =794,812.5
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