Sunday

April 19, 2015

April 19, 2015

Posted by **Kim** on Wednesday, July 18, 2012 at 12:11pm.

A.The area of circle B is 9 times greater than the area of circle A.

B.The area of circle A is 9 times greater than the area of circle B

C.The area of circle B is 81 times greater than the area of circle A.

D.The area of circle A is 81 times greater than the area of circle B.

- Updated Math Question -
**Reiny**, Wednesday, July 18, 2012 at 12:58pmno, the answer is d)

let the radius of first circle be r

area = πr62

let the area of 2nd circle be 9r

area =π(9x)^2 = 81πr^2, which is 81 times larger.

Math - The radius of circle A is 9 times greater than the radius of circle B. ...

Math - The radius of circle A is 9 times greater than the radius of circle B. ...

math - the area of circle B is 36 times greater than the area of circle A. The ...

GEOMETRY - THE area of circle B is 25 times greater than the area of circle A. ...

8th grade math - The radius of circle M is 3 times the radius of circle P. If ...

8th grade math - circle A has a raduis that is twice the length og the raduis of...

Geometry - The ratio of the radius of circle Q to the radius of circle R is 4:5...

math - The area of a circle is given by the formula A = ğr2, where r is the ...

math - how do i get the area of a circle????????????? area of a circle=pi * ...

Geometry - A dartboard consists of five concentric circles. The radius of the ...