Monday

March 30, 2015

March 30, 2015

Posted by **buzz** on Saturday, May 18, 2013 at 6:53pm.

- geometry -
**MathMate**, Saturday, May 18, 2013 at 7:06pmArea of annulus (area between circles of radii a and b)

= π(a+b)(a-b)

**Answer this Question**

**Related Questions**

Math - A Target consists of three concentric circles with the same center. The ...

math-geometry - The sum of the radii of two concentric circles is 40. A chord ...

GEOMETRY(CIRCLE) - Three circles with different radii have their centers on a ...

geometry - Two circles which are not congruent touch externally. the sum of ...

Analytic Geometry - Circles and Areas - Let R denote the circular region bounded...

GEOMETRY - Two circles with radii a and b touch each other externally . Let c be...

calculus - 1. Find the area of the region bounded by f(x)=x^2 +6x+9 and g(x)=5(x...

ALGEBRA - The GARDEN AREA PROBLEM: A designer created a garden from two ...

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

Math - Garden Area Problem. A designer created a garden from two concentric ...