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Earn +20 ptsQ: What is the formula to find interior angles of a triangle?
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The measure of an exterior angle of a triangle is120 degrees the interior angles that are not adjacent to this exterior angle are congruent find the measure of the interior angles of the triangle?
They are all 60 degrees.
What is the formula to find the sum of angles in a equiangular triangle?
The sum of the angles in ANY triangle (equiangular or not) is 180 degrees.
How do you find exterior and interior anles on a triangle?
Use a protractor and you'll find that the 3 interior angles add up to 180 degrees and that the 3 exterior angles add up to 360 degrees
How do you find exterior and interior angles on a triangle?
With a protractor remembering that interior angle and exterior angle add up to 180 degrees because angles on a straight line add up to 180 degrees. The 3 interior angles of any triangle add up to 180 degrees and their 3 exterior angles add up to 360 degrees.
How do you find the sum of the angles in a 20-gon?
The formula is: (20-2)*180 = 3240 degrees which is the total sum of interior angles
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