26-08-2017
Mathematics

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Classify the polygon and tell if it's either convex or concave

Classify the polygon and tell if its either convex or concave class=

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coolstick coolstick

26-08-2017

It's convex if it has internal angles over 180 degrees, or if they're pointing inwards. Using that, 3 and 6 both clearly have angles pointing inwards, why 4 and 5 don't

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