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January 31, 2015

January 31, 2015

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

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 10:44pmThe 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 10:55pmThanks Ms. Sue, you help everyone on everything, your a big help!

- 6th grade Math -
**Ms. Sue**, Monday, March 2, 2009 at 10:57pmYou're very welcome, Bob. :-)

- 6th grade Math -
**Felix**, Tuesday, March 3, 2009 at 9:11pmwhat is the volume of 12 in

10 in

5 in

- 6th grade Math -
**Aileen**, Wednesday, March 11, 2009 at 8:57am3.14 x 24=75.36

- 6th grade Math -
**Daniella**, Tuesday, March 17, 2009 at 11:43pmWhat is 1

_

6 in a percent can you help me?

- 3ud grade Math -
**William**, Saturday, April 4, 2009 at 1:33amyou rock!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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