Homework Help: 6th grade Math

Posted by Bob on Monday, March 2, 2009 at 10:30pm.

I don't get this question, can someone please explain it, thanks.

Heres the question: A lighthouse beacon can be seen 24 mi in all directions. What is the area over which the beacon can be seen?

- I think it's circumfrence, but I don't really know what to do.

Thanks, Bob.

6th grade Math - Ms. Sue, Monday, March 2, 2009 at 10:44pm
The lighthouse beam is the radius of the circle. Since it can be seen for 24 miles, the radius is 24 miles.

The question asks for the area. To find the area of a circle we multiply:

A = pi * r^2
A = 3.14 * 24^2
A = 3.14 * 576
A = 1808.64 square miles
6th grade Math - Bob, Monday, March 2, 2009 at 10:55pm
Thanks Ms. Sue, you help everyone on everything, your a big help!
6th grade Math - Ms. Sue, Monday, March 2, 2009 at 10:57pm
You're very welcome, Bob. :-)
6th grade Math - Felix, Tuesday, March 3, 2009 at 9:11pm
what is the volume of 12 in
10 in
5 in
6th grade Math - Aileen, Wednesday, March 11, 2009 at 8:57am
3.14 x 24=75.36
6th grade Math - Daniella, Tuesday, March 17, 2009 at 11:43pm
What is 1
_
6 in a percent can you help me?
3ud grade Math - William, Saturday, April 4, 2009 at 1:33am
you rock!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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