Math Problem Statement

Find a counterexample that demonstrates that the converse of If two angles measure 32° and 148°, then they are supplementary Is false

Solution

The original statement is: "If two angles measure 32° and 148°, then they are supplementary."

To find the converse, we reverse the statement:

Converse Statement: "If two angles are supplementary, then they measure 32° and 148°."

A counterexample would be any pair of supplementary angles that do not measure 32° and 148°.

Counterexample:

Let's take the angles 60° and 120°. These two angles are supplementary because their sum is 60°+120°=180°60° + 120° = 180°. However, they do not measure 32° and 148°.

Thus, the converse statement is false because there are many pairs of supplementary angles other than 32° and 148°.

Would you like more details or have any questions?

Here are 5 related questions to think about:

  1. What is the definition of supplementary angles?
  2. Can two angles be supplementary if one of them is greater than 180°?
  3. How do you determine if a given pair of angles is supplementary?
  4. What is the converse of the statement “If two angles are complementary, then they add up to 90°”?
  5. Can you give an example of two angles that are not supplementary but still form a linear pair?

Tip: When determining if the converse of a statement is true, always try to find a counterexample to see if there are exceptions.

Ask a new question for Free

By Image

Drop file here or Click Here to upload

Math Problem Analysis

Mathematical Concepts

Geometry
Angles
Supplementary Angles
Converse Statements

Formulas

Sum of supplementary angles: angle1 + angle2 = 180°

Theorems

Definition of Supplementary Angles
Converse Statements in Logic

Suitable Grade Level

Grades 6-8