The measures of the angles of a triangle are shown in the figure below. Solve for x
2 answers:
Answer:
7
Step-by-step explanation:
The angles that we are sure about is 33 and 90. The angles of a triangle add up to 180. 33 + 90 = 123. 180 - 123 = 57. 57 = 7x+8, 49 = 7x, x = 7.
Answer:
x = 7
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Equality Properties
<u>Geometry</u>
- All angles in a triangle add up to 180°
Step-by-step explanation:
<u>Step 1: Set Up Equation</u>
33° + 90° + (7x + 8)° = 180°
<u>Step 2: Solve for </u><em><u>x</u></em>
- Combine like terms: 7x + 131 = 180
- Isolate <em>x</em> term: 7x = 49
- Isolate <em>x</em>: x = 7
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