Answer:
540°
General Formulas and Concepts:
Math
Pre-Algebra
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Geometry
- Sum of Angles: 180(n - 2)°
Explanation:
Step 1: Define
We are given a 5-sided polygon (irregular pentagon)
n = 5
Step 2: Find Sum
- Substitute in n [Sum of Angles]: 180(5 - 2)°
- (Parenthesis) Subtract: 180(3)°
- Multiply: 540°