Math Problem Statement
Consider the following figure.
A line and two segments form five labeled angles.
The line is horizontal.
The first segment starts near the left side of the line, travels up and to the left, and ends at an unknown distance.
The second segment starts near the right side of the line, travels up and to the left, and ends where the first segment ends.
∠1 is formed by the bottom left side of the first segment and the top side of the line.
∠2 is formed by the bottom right side of the first segment and the top side of the line.
∠3 is formed by the bottom left side of the second segment and the top side of the line.
∠4 is formed by the bottom right side of the second segment and the top side of the line.
∠5 is formed by the top right side of the first segment and the top left side of the second segment.
Given:
m∠1 = (8(x + 2))°
m∠3 = (8x − 6)°
m∠5 = (8(x + 1) − 2)°
Find:x
x =
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Angle Relationships
Geometry
Formulas
m∠1 + m∠3 = 180° (supplementary angles)
8(x + 2) + (8x - 6) = 180
Solve for x
Theorems
Supplementary Angles Theorem
Linear Pair Theorem
Suitable Grade Level
Grades 9-12
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