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Mathematics 7 Online
OpenStudy (anonymous):

could somebody please help me.. Work out the size of the angle at the centre of a regular pentagon. Please show your work.

OpenStudy (anonymous):

What angle? The angle connecting two adjacent vertices to the center?

OpenStudy (anonymous):

|dw:1325457442129:dw|

OpenStudy (anonymous):

yes I believe so.

OpenStudy (anonymous):

360/5

OpenStudy (anonymous):

is the 5 the number of sides??

OpenStudy (anonymous):

Yes.

OpenStudy (anonymous):

|dw:1325457673724:dw|

OpenStudy (anonymous):

That is the angle I am showing. If you want to find the angle of the between two sides, then it is actually 108 degrees.

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