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OpenStudy (anonymous):
How many triangles are inside a decagon? 8 9 10 11
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OpenStudy (anonymous):
Well a decagon is a plane figure with ten straight sides and angles. There are 3 sides to a triangle. Add 'em up ;D
OpenStudy (anonymous):
but sometimes sides overlap in triangles.
OpenStudy (anonymous):
This is true.
OpenStudy (unklerhaukus):
|dw:1342447810862:dw|
OpenStudy (unklerhaukus):
|dw:1342447855934:dw|
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OpenStudy (anonymous):
ohhh so its 8 triangles in a decagon
OpenStudy (unklerhaukus):
|dw:1342447886980:dw|
OpenStudy (unklerhaukus):
|dw:1342447932771:dw|
OpenStudy (anonymous):
|dw:1342448069795:dw|
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