GB-28-03-001 · Interior angle sums
Work out the sum of the interior angles of a polygon with 47 sides.
Exterior and Interior Angles: Sum of Interior Angles
Booklet p. 73
Method
Use the formula for sum of interior angles of an n-sided polygon: 180(n − 2)
Worked Example (GB-28-03-001)
1)
(47 − 2) × 180.
2)
8100°
Ans =
8100°