Friday

March 27, 2015

March 27, 2015

Posted by **Anne** on Tuesday, December 7, 2010 at 9:20pm.

This problem has a big cirlce with 1/4 shadded with a radius of 20 cm.

the answer chocies are

A. 90 cm squared

B. 270 cm squared

C. 314 cm squared

D. 1.256 cm squared

how do I find the answer?

- Math question -
**Bob**, Tuesday, December 7, 2010 at 9:27pmpi*r^2

3.14*20cm.^2

=1256.63

take that and divide by four and you get 314.16

- Math question -
**Danny**, Tuesday, December 7, 2010 at 9:34pmI don't understand how you got 1256.63

- Math question -
**Anna**, Tuesday, December 7, 2010 at 9:37pmI don't either I got 62.8

**Answer this Question**

**Related Questions**

trig - Both circles have the same center and radius of the larger cirlce is R. ...

statistics finding the shaded region - Find the area of the shaded region. The ...

Math - Marian drew a picture of two circles.She wanted to shade only the outer ...

Math - A triangle is placed in a semicircle with a radius of 3cm, as shown below...

Math - The problem is two circles that each circle has 4 sections. One cirlce is...

geometry - how do i find the probability that a point in a figue lies in the ...

Calculus - Find the area of the shaded region. The area is shaded from 0,2 on ...

Math - A man owns a rectangular piece of land. The land is divided into four ...

Circumference - Find the circumference and area of cirlce with a radius of 3 ...

Pre-Calc - Can anyone help with the following problem please...Thank u so much ...