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Earn +20 ptsQ: What size is a exterior angle?
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What is the size of an exterior angle of octagon?
360/8 = 45 degrees
What is the size of each angle in a regular 25 sided shape?
Exterior angle = 14.4 degrees Interior angle = 165.6 degrees
What is the size of an exterior angle of nonagon?
360/9 ie 40 degrees
What is the size of each interior angle at each vertex of a regular pentagon?
Exterior angle = 360/Number of sides = 360/5 = 72 degrees. Interior angle = 180 - Exterior angle = 180 - 72 = 108 degrees.
How do you work out exterior angle for a triangle?
It is: 180-interior angle = exterior angle
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