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 . 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:
- What is the definition of supplementary angles?
- Can two angles be supplementary if one of them is greater than 180°?
- How do you determine if a given pair of angles is supplementary?
- What is the converse of the statement “If two angles are complementary, then they add up to 90°”?
- 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.
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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
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