Question

Calculation the circumference and area of semi circle whose radius is 14cm​

Answer 1

Answer:

Hi, If the radius is 14 cm, then the diameter is 28 cm. Then half the circumference of the circlewould be ½ (2πr) = ½ * 2 * 3.14 * 14 = 43.96. The entire perimeter of the semicircle would be 28 + 43.96 = 71.96 cm.

but formula to find perimeter of semicircle is pie r.

Answer 2

Answer:

circumference of semi circle is πr = 44cm

area is πr²/2 =

Step-by-step explanation:

22/7×14 = 44cm

22/14× (14)² =308cm²

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