Question

how to find an area and circumference of a semicircle​

Answer 1

Step-by-step explanation:

Circumference of a semi circle =2r+πr.

Area of a semi circle = π×r×r/2. Hope it helps you.

Answer 2

Answer:

area of a circle=πr²

circumference of a circle= 2πr

semi=1/2

area of semi-circle=πr²/2

circumference of semi-circle=2πr/2 + 2r=πr+2r (because circumference is the length of outer boundary of a circle)

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