Find The Sum Of The Measures Of The Interior Angles Of A Convex Heptagon. Find the sum of the interior angles of a 22-gon. Example 1 Determine the unknown angle measures.
Substitute n 10 in. First use the Polygon Angle Sum Theorem to find the sum of the interior angles. He provides courses for Maths and Science at Teachoo.
How to find the sum of interior angles for a heptagon - YouTube.
Regular polygon is 120. He has been teaching from the past 10 years. Therefore the sum of the measures of the interior angles of a heptagon is 900. N 9 -2180n 9 -2180 7180 1260.