Question

the circumference of a circle of radius R is​

Answer 1

Answer:

Since the diameter is known to us, we can calculate the radius of the circle, Therefore, Circumference of the Circle = 2 x 3.14 x 2 = 12.56 cm.

Circumference of Circle: 2πr

Area of semi-circle: πr2/2

Area of circle: πr2

Perimeter of semi-circle: πr + 2r

Step-by-step explanation:

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Answer 2

Answer:

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