Math Problem Statement
Find the value of x in the given triangle diagram.
Solution
To find the value of , let's analyze the diagram:
Step 1: Identify the relevant angles
- The triangle in the diagram has an exterior angle of and an interior angle of next to it.
- The angle is the other interior angle of the triangle.
Step 2: Use the triangle exterior angle property
The exterior angle of a triangle is equal to the sum of the two opposite interior angles. Mathematically:
Step 3: Solve for
To find , subtract from :
Final Answer:
The value of is .
Do you need further clarification or additional details?
Here are some related questions to deepen your understanding:
- How do you prove that the exterior angle of a triangle equals the sum of the two opposite interior angles?
- What is the sum of all interior angles in a triangle?
- Can you solve for missing angles in a triangle using other methods, such as supplementary angles?
- What happens to the exterior angle property in non-triangular polygons?
- How do adjacent angles (like and its neighbor) relate to each other in geometry?
Tip: The sum of interior angles in any triangle is always . Use this property whenever two angles are known to solve for the third!
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Math Problem Analysis
Mathematical Concepts
Triangles
Exterior Angle Property
Angle Calculation
Formulas
Exterior angle = Sum of two opposite interior angles
Theorems
Exterior Angle Theorem
Suitable Grade Level
Grades 7-9