Math Problem Statement

Given m || n, find the value of x in the diagram, where one angle is 164° and the other is x°.

Solution

In this problem, we are given two parallel lines mnm \parallel n, and a transversal that intersects them, forming angles. Specifically, one of the angles is 164164^\circ, and we need to find the value of xx (the angle adjacent to 164164^\circ).

Step-by-Step Solution:

  1. Identify the relationship between the angles: Since mnm \parallel n, we can apply the rule of supplementary angles on a straight line. Adjacent angles formed by a transversal and a line add up to 180180^\circ.

  2. Set up the equation: The angle xx^\circ and 164164^\circ are adjacent angles, so: x+164=180x^\circ + 164^\circ = 180^\circ

  3. Solve for xx: x=180164=16x = 180^\circ - 164^\circ = 16^\circ

Thus, the value of xx is 1616^\circ.

Would you like further details on any step or have any other questions?

Here are 5 related questions to deepen your understanding:

  1. How do you calculate corresponding angles when a transversal crosses parallel lines?
  2. What is the difference between alternate interior and alternate exterior angles?
  3. Can you explain the concept of vertically opposite angles?
  4. How do you identify and use co-interior angles in a similar problem?
  5. What are some common errors to avoid when solving problems with parallel lines and transversals?

Tip: Always remember that adjacent angles on a straight line sum up to 180180^\circ, which is useful when dealing with transversals cutting through parallel lines.

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Math Problem Analysis

Mathematical Concepts

Geometry
Parallel Lines
Transversals
Angle Relationships

Formulas

x° + 164° = 180° (Supplementary Angles on a Straight Line)

Theorems

Supplementary Angles Theorem

Suitable Grade Level

Grades 7-9