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 04-14-2012 #1 WWE     Join Date: Apr 2012 Posts: 7 Central Angles On my homework I have a question that says, "The points N, R, and P are on the circle below. Point M is in the center of the circle. Connect three points to form a central angle." Below the question it shows a big circle with points R, N, P, and M. This is on a state test from 2009. My class did not learn what central angles are. Can someone please tell me what a central angle is or what it looks like? Thanks, WWE
 04-14-2012 #2 Mr. Hui     Join Date: Mar 2005 Posts: 10,653 A central angle is an angle which vertex is the center of a circle, and whose sides pass through a pair of points on the circle. In the following figure: angle NMP angle NMR angle PMR are all central angles Attached Thumbnails   __________________ Do Math and you can do Anything!
04-16-2012   #3
WWE

Join Date: Apr 2012
Posts: 7
Rmp?

Quote:
 Originally Posted by Mr. Hui A central angle is an angle which vertex is the center of a circle, and whose sides pass through a pair of points on the circle. In the following figure: angle NMP angle NMR angle PMR are all central angles
Please go to question 29 in the attachment below. In this figure would angle RMP be a central angle?
Attached Files
 nys math test grade 6 b2.pdf (116.8 KB, 19 views)

 04-16-2012 #4 Mr. Hui     Join Date: Mar 2005 Posts: 10,653 Yes angle RMP is the same central angle as angle PMR. __________________ Do Math and you can do Anything!

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