Perimeter of a circular slab is 80m. Then area of a slab is:A2500 m³B1250 m³C1600π m³D2150 m³Answer: C. 1600π m³ Read Explanation: 2πr =80π r=80π/2π = 40 area = πr² =π x (40)² = 1600πRead more in App