Geometry

Question Analysis:
You’re asked to find the missing interior angle in a polygon with some known angles.
The main focus is subtracting the sum of known angles from the total polygon angle sum.

Key Concept Explanation:
The formula for the sum of the interior angles is:
Sum = (n - 2) × 180

Step-by-Step Solution:
Interior angle sum for a pentagon = (5 − 2) × 180 = 540°
Add the four known angles:
110 + 100 + 95 + 110 = 415°
Fifth angle = 540 − 415 = 125°

Common Mistakes...