Circle

Circumference - Length of the boundary of a circle

Diameter- Straight line that passes through the midpoint of the circle

Radius - starts from the midpoint of the circle and touches the wall of the circle.

Formula:-

Circumference - πd (value of π (pi) is 22/7 or 3.14)

2πr

Diameter (d) - 2r

Radius (r) - d/2

Circumference - Length of the boundary of a circle

Diameter- Straight line that passes through the midpoint of the circle

Radius - starts from the midpoint of the circle and touches the wall of the circle.

Formula:-

Circumference - πd (value of π (pi) is 22/7 or 3.14)

2πr

Diameter (d) - 2r

Radius (r) - d/2

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