A triangle has an internal angle of 180/3 A square has an internal angle of 360/4 A pentagon has an internal angle of 540/5 An 'x'-agon has an internal angle (180(x-2))/x = (180x-360)/x = 180 - 360/x A 20-agon has an internal angle of 180 - 360/20 = 162
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The following are angles in a convex quadrilateral: Angle A = 80 degrees Angle B = 98 degree Angle C = 70 degrees What is the measure of the missing angle?
An interior angle of a convex heptagon can have any value in the range (0, 180) degrees.
the measure for a regular rectangle is 69in. by fudge you and measure it yourself.
An interior angle of a regular octagon is 45 degrees. The exterior angles measure 315 degrees.
The measure of each interior angle of a fifteen sided regular polygon, a pendedecagon, is 156o.