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Perimeter of a circular slab is 80m. Then area of a slab is:

A2500 m³

B1250 m³

C1600π m³

D2150 m³

Answer:

C. 1600π m³

Read Explanation:

2πr =80π r=80π/2π = 40 area = πr² =π x (40)² = 1600π


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