Question

Find angles in triangles

Find the value of x in the triangle shown below.
o
X =
53°
20
970

Answer 1

x = 30°

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

1. Brackets
2. Parenthesis
3. Exponents
4. Multiplication
5. Division
6. Addition
7. Subtraction

• Left to Right

Equality Properties

Geometry

• All angles in a triangle add up to 180°

Explanation:

Step 1: Set Up Equation

53° + 97° + x° = 180°

Step 2: Solve for x

1. Combine Like Terms: x° + 150° = 180°
2. Isolate x: x = 30°