Homework Help: Math (Geometry)

Posted by Robert on Thursday, February 21, 2008 at 5:10pm.

"The graph shows types of trash in a typical American city. Find the measure of each central angle to the nearest whole number." (I do not want all the answers, I just want to know HOW to get them so I will only post the first three problems that corresponds with the graph)
1.Glass (On the graph glass is at 6%)
2.Metals (On the graph metals is at 8%)
3.Plastics (On the graph plastics is at 10%)
Please help because I am SO STUCK!!!

Math (Geometry) - Damon, Thursday, February 21, 2008 at 5:20pm
There are 360 degrees in a full circle.

6% of 360 degrees = .06 * 360 = 21.6 degrees = 22 degrees to nearest degree

.08 * 360 = 29 degrees etc.
- Math (Geometry) - Robert, Thursday, February 21, 2008 at 5:24pm
  See thats exactly what I thought, the 22% one was #1 but when I checked it in the back of the book it said it should be 25. Could the book be wrong? (It also says #3 should be 32)
Math (Geometry) - Damon, Thursday, February 21, 2008 at 5:31pm
Well, you sure have me puzzled :)
- Math (Geometry) - Robert, Thursday, February 21, 2008 at 5:34pm
  Yeah it left me clueless too, oh well, I will just have to hope I get them right. XD

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