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Draw a triangle with vertices A, B, and C. Now extend the sides of the triangle so that you create three exterior angles. What is the sum of these three exterior angles? Why do you think these three exterior angles have this sum? Describe your findings and explain why you think this happens.
 one year ago
 one year ago
Draw a triangle with vertices A, B, and C. Now extend the sides of the triangle so that you create three exterior angles. What is the sum of these three exterior angles? Why do you think these three exterior angles have this sum? Describe your findings and explain why you think this happens.
 one year ago
 one year ago

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robinfr93Best ResponseYou've already chosen the best response.0
dw:1347995529751:dw
 one year ago

estudierBest ResponseYou've already chosen the best response.0
If you "walk around" the triangle, you turn through a circle.... (algebraically each exterior is sum of opposite interiors > 2* 180 = 360)
 one year ago
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