The diameter of a circle is 56cm.Find its circumference and area.
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r=28cm
circumference= 2πr = 2×22/7×28 = 2×22×4 = 176cm
Circumference = 2πr
= 2×22/7×28
= 44×4
= 176 cm
Area = πr²
= 22/7 × 28 × 28
= 22×4×28
= 2464 cm²
I hope this will help you.