Posted by **joshuah** on Sunday, May 23, 2010 at 10:52am.

find area of cirle 3.9cm radius to nearest tenth?

a=pie 3.14 x r squared

3.14 x 3.9(15.21)

3.14 x15.21 =47.75

nearest tenth =47.8cm squared

is this the correct answer?

- math -
**PsyDAG**, Sunday, May 23, 2010 at 11:52am
Yes, you are right!

- math -
**Anonymous**, Monday, January 17, 2011 at 5:38pm
need help with math

## Answer This Question

## Related Questions

- Math. - 1. Find the area of the given circle. Round to the nearest tenth. *...
- algebra - Suppose you have a can of paint that will cover 400 ft squared. A. ...
- Math - Find the lateral area of the cone. Use 3.14 fo pi and round result to the...
- Algebra - the surface area of a sphere is a=4 pie r squared where r is the ...
- Please Check My Math Answers. Thanks! - Can someone please be kind enough to ...
- math - . Find the volume of the sphere with a radius of 9. Use ð = 3.14 and ...
- math - How do i find the area of a triangle? For example: A squared + b squared...
- Math-- Please check - A package of 16 tea bags costs $2.29. Find the unit price ...
- math - a travel mug is shaped like a cylinder. it is 9cm wide and 15cm tall. ...
- geometry - word problem You and 3 friends order a 24 in pizza (the diameter is ...

More Related Questions