Homework Help: geometry

Posted by kayle on Thursday, August 5, 2010 at 4:56pm.

a target consists of five concentric circles, each with a radius 1 inch longer than that of the previous circle. calculate the area between the third and fourth circles from the center.

geometry - Ms. Sue, Thursday, August 5, 2010 at 4:58pm
What is the radius of the smallest circle?
geometry - kayle, Thursday, August 5, 2010 at 5:28pm
the radius of the smallest circle is one inch
geometry - Ms. Sue, Thursday, August 5, 2010 at 5:35pm
A = pi * r^2

3rd circle:
A = 3.14 * 9
A = 28.26 sq. inches

4th circle:
A = 3.14 * 16
A = 50.24 sq. in.

50.24 - 28.26 = ?

Answer this Question

Related Questions

Geometry - A dartboard consists of five concentric circles. The radius of the ...
Math - This question is based on a project- Describe three concentric circles ...
Math - A Target consists of three concentric circles with the same center. The ...
geometry - Which of the following is the best estimate for the area of a ...
Geomatric series - A fractal is created: A circle is drawn with radius 8 cm. ...
math gre question - in an infinite series of circles the radius of the second ...
Calculus - A pebble is dropped into a pond, causing ripples in the form of ...
geometry - Three circles are externally tangent to one another. The radius of ...
Math - When the waiter was asked to slice the 16-inch (in diameter) pizza into ...
GEOMETRY QUESTION - Four circles of unit radius are drawn with centers (0,1), (-...

For Further Reading

First Name:
School Subject:
Answer: