The interior angles of a 30-gon add up to 5040 degrees
Chat with our AI personalities
The sum of the interior angles is 360.
The sum of the four interior angles of a trapezoid is 360 degrees.
(number of sides-2)*180 = sum of the interior angles
-- Measure, calculate, or somehow get the measure of each interior angle. -- Add them all up to get one number which is their sum. -- That one number is the sum of the interior angles.
(number of sides -2)*180 = sum of interior angles