Related Questions

The radius of circle A is r, and the radius of circle B is 3/4r. What is the ratio of the area of circle A to the area of circle B?
A 16 to 9
B 9 to 16
C 1 to 4
D 4 to 3
Radius of circle center 0 is 3 times the radius of circle center C. Angle ACB -A angle POQ. If the shaded are of circle C is 2 then what is the area of then shaded part of circleO?
A 36
B 9
C 12
D 18
If the radius of a circle is increased by 6%, then the area of the circle is increased by -
A 3.6%
B 6%
C 12.36%
D 36%
If the radius of a circle is increased by 6%, then the area of the circle is increased by ---
A .36%
B 3.6%
C 6%
D 12.36%
If the radius of a circle is increased by 6% then the area of the circle is increased by
A 0.36%
B 3.36%
C 12.36%
D 36%
If the radius of a circle is increased by 6% , then the area of the circle is increased by-
A 3.6%
B 6.5%
C 12.36%
D 30%
If the radius of a circle is increased by 6%, then the area of the circle is increased by-
A 3.6%
B 6.5%
C 12.36%
D 30%
The ratio of the area of area of a circle to the radius of the radius of the circle is--
A π
B 2π
C π2
D none of these
The radius of a circle is increased so that and circumference by 5%. The area of the circle will be increased by.
A 5%
B 10%
C 10.25%
D 10.5%
If the radius of a circle is increased by 100%, by what % is the area of the circle increased?
A 100%
B 200%
C 300%
D 400%

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