Math Problem Statement

Find the value of x in the given triangle diagram.

Solution

To find the value of xx, let's analyze the diagram:

Step 1: Identify the relevant angles

  • The triangle in the diagram has an exterior angle of 9797^\circ and an interior angle of 5151^\circ next to it.
  • The angle xx 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: 97=x+5197^\circ = x + 51^\circ

Step 3: Solve for xx

To find xx, subtract 5151^\circ from 9797^\circ: x=9751x = 97^\circ - 51^\circ x=46x = 46^\circ

Final Answer:

The value of xx is 4646^\circ.


Do you need further clarification or additional details?

Here are some related questions to deepen your understanding:

  1. How do you prove that the exterior angle of a triangle equals the sum of the two opposite interior angles?
  2. What is the sum of all interior angles in a triangle?
  3. Can you solve for missing angles in a triangle using other methods, such as supplementary angles?
  4. What happens to the exterior angle property in non-triangular polygons?
  5. How do adjacent angles (like 9797^\circ and its neighbor) relate to each other in geometry?

Tip: The sum of interior angles in any triangle is always 180180^\circ. 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