Sum of internal angles = (2n - 4)right angles, where n is the number of side and a right angle is 90 degrees. So we have here (30 - 4) x 90 degrees which is equal to
26 x 90 = 2340 degrees
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S of interior angles of ANY n-sided polygon is (2n -4) right angles, so 2 x 30 - 4 = 56, 56 x 90 = 5040 degrees
the Sum of the Interior of a triangle is 180
There is no regular polygon with an interior angle of 20o. If the interior angle is 120o then there are six sides and the sum of the angles is 720o.
Each interior angle is 120o making the total 720o.
The sum of interior angle ( Sum-of-interior-angles-n-gon) of n-gon is:If we have a ,Then