Thursday

August 21, 2014

August 21, 2014

Posted by **Sholanda** on Wednesday, May 16, 2012 at 12:34am.

- Geometry -
**Reiny**, Wednesday, May 16, 2012 at 7:42amradius 1 = 1

radius 2 = 1+3 = 4

radius 3 = 4+1 = 5

radius 4 = 5+2 = 7

radius 5 = 7+.75 = 7.75

circumference 1 = 2π(1) = 2π

circumference 5 = 2π(7.75) = 15.5π

difference in circumference = 15.5π - 2π= 13.5π

= appr. 48.7 inches

**Related Questions**

geometry - a target consists of five concentric circles, each with a radius 1 ...

math gre question - in an infinite series of circles the radius of the second ...

Math - Circle C has radius 4 inches. Circle D had radius 9 inches. These two ...

GEOMETRY CIRCLES PLEASE - 1.An isosceles triangle with each leg measuring 13 cm ...

Geometry about the circles - 1. Ab is a chord of a circle with center o and ...

Geometry about the circles - 1. Ab is a chord of a circle with center o and ...

GEOMETRY CIRCLES PLEASE - HELP ME PLEASE. 1.An isosceles triangle with each leg...

GEOMETRY CIRCLE - 1.An isosceles triangle with each leg measuring 13 cm is ...

Algebra - The area of a circle is given by the formula A+pier^2, where r is the ...

Math - This question is based on a project- Describe three concentric circles ...