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How do you work out the sum of the exterior angles?
exterior angles always add up to 360 degrees, but 'exterior angle' refers to the angle that is made when you continue one of the lines. eg a square has 4 sides, make one of them longer so you end up with a thing like below, and the exterior angle is the one that's not 180 degrees. if you don't get it its quite hard to explain without a proper diagram, so Google pictures exterior angles im sure youll find something. _ |_|_
What generalization can be made of a rhombus and right triangle?
They are both polygons whose exterior angles add up to 360 degrees
Weight of 19mm 19mm square tube?
The answer will depend on what the tube is made from and how thick its walls are.
Are two adjacent angles whose exterior sides are opposite rays always complementary?
No? Wouldn't they then be supplementary? Opposite rays make a straight angle/line, and if the exterior sides made the straight angle, the adjacent angles would be supplementary. ...Right?
How many exterior angles does a heptagon have?
7 is the answer:4 exterior and 3 interior
