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India
Class X

Circumference and Area of Circles in Exact Values

Interactive practice questions

If the radius of a circle equals $15$15 m, find its circumference.

Give your answer as an exact value.

Easy
< 1min

If the diameter of a circle is equal to $48$48 cm, find its circumference.

Give your answer as an exact value.

Easy
< 1min

If the radius of a circle equals $45$45 cm, find its circumference.

Give your answer as an exact value.

Easy
< 1min

Find the circumference of the circle shown.

Give your answer as an exact value.

Easy
< 1min
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Outcomes

10.M.AC.1

Area of a circle, sectors and segments. Problems based on areas and perimeter/circumference of the above said plane figures. Restrict to central angles of 60, 90 and 120 degrees and plain figures of triangles, simple quadrilaterals and circles.

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