Math Problem Statement
Solution
The image presents an angle relationship problem, where you need to solve for and using the given expressions for angles. Based on the diagram, there are two intersecting lines, labeled and , with several angle expressions provided.
Key Information:
- The angle on the left is given as .
- The angle adjacent to it (vertically opposite angle) is given as .
- Another angle below that one is given as .
From angle relationships, we know that vertically opposite angles are congruent (equal). Therefore, we can set up equations based on this fact:
Step 1: Solve for
Using vertically opposite angles, we can equate to : Solve for :
Step 2: Plug into the second equation to find
We can use the fact that the sum of angles on a straight line is (linear pair). So, the sum of the angles and should equal : Substitute into this equation to solve for .
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Math Problem Analysis
Mathematical Concepts
Geometry
Angle Relationships
Linear Equations
Formulas
Equating vertically opposite angles
Sum of angles on a straight line = 180 degrees
Theorems
Vertically Opposite Angles Theorem
Linear Pair Postulate
Suitable Grade Level
Grades 7-10
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