Q. 1 A4.9( 10 Votes )

# Choose the correct alternative answer for each of the following question.

The ratio of circumference and area of a circle is 2:7. Find its circumference.

A. 14π

B. 7/π

C. 7π

D.

Answer :

Circumference of circle, C = 2πr

Area Of circle, A = πr^{2}

⇒ r = 7

Circumference = 2× r× π

Circumference = 14π

∴ Option (A) is correct

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PREVIOUSA chord PQ of a circle with radius 15 cm subtends an angle of 60° with the centre of the circle. Find the area of the minor as well as the major segment. (π = 3.14)NEXTChoose the correct alternative answer for each of the following question.If measure of an arc of a circle is 160° and its length is 44 cm, find the circumference of the circle.

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