Proofs

What is a mathematical proof primarily based on?

• Opinions of mathematicians

• Experimental data

• Logical arguments supported by accepted truths

• Random assumptions

In a two-column proof, what is the purpose of the second column?

• To summarize the proof

• To provide reasons for each statement

• To list the statements

• To introduce new concepts

What is the measure of a straight angle?

• 90 degrees

• 180 degrees

• 360 degrees

• 45 degrees

What is the sum of the measures of two complementary angles?

• 360 degrees

• 180 degrees

• 45 degrees

• 90 degrees

Which property is used to show that two angles are congruent by subtracting one angle from both sides of an equation?

• Multiplication property of equality

• Addition property of equality

• Subtraction property of equality

• Division property of equality