Saturday

January 31, 2015

January 31, 2015

Posted by **tatyana** on Wednesday, March 13, 2013 at 9:17am.

What is the area of circle B?

- math -
**Reiny**, Wednesday, March 13, 2013 at 11:11amareas of circles are proportional to the square of their radii

so

49/area of B = r^2/(3r)^2 = 1/9

area of B = 9(45) or 405 cm^2

**Answer this Question**

**Related Questions**

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

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

math - A circle has an area of 25 pi cm^2.If a circle is drawn within that ...

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

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

Math - A mechanical engineering student wishes to inscribe a rectangle in a ...

area of circle - The radius of a circle is 8ft. I have 60ft of tile. Is this ...

math - I am supposed to find the area of a segment of a circle. The circle is ...

math - I am supposed to find the area of a segment of a circle. The circle is ...

Math - The combinated permeter of a circle and a squar is 16 find the dimensions...