Unit 2 Angle, Lines, & Proofs: Reasoning

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Mathematics
•
10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
What is a supplementary angle?
Back
Two angles are supplementary if the sum of their measures is 180 degrees.
Tags
CCSS.7.G.B.5
2.
FLASHCARD QUESTION
Front
Provide a counterexample to the claim: "If two angles are supplementary, then they are not congruent."
Back
90° and 90° are supplementary angles that are congruent.
Tags
CCSS.7.G.B.5
3.
FLASHCARD QUESTION
Front
What is a counterexample?
Back
A counterexample is an example that disproves a statement or claim.
4.
FLASHCARD QUESTION
Front
What does the Law of Detachment state?
Back
If a conditional statement is true and its hypothesis is true, then the conclusion is also true.
5.
FLASHCARD QUESTION
Front
If an angle is 40°, what can we conclude about it?
Back
It is acute, as acute angles are less than 90°.
Tags
CCSS.4.G.A.1
6.
FLASHCARD QUESTION
Front
What is the Law of Syllogism?
Back
If 'p implies q' and 'q implies r' are both true, then 'p implies r' is also true.
7.
FLASHCARD QUESTION
Front
Using the Law of Syllogism, what can we conclude if it is snowing heavily and school is canceled?
Back
The big test will not be given today.
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