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 = πr2
⇒ 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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