
Pairs of Angles
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What are complementary angles?
Back
Complementary angles are two angles whose measures add up to 90 degrees.
Tags
CCSS.7.G.B.5
2.
FLASHCARD QUESTION
Front
What are vertical angles?
Back
Vertical angles are the angles opposite each other when two lines intersect. They are always equal.
Tags
CCSS.7.G.B.5
3.
FLASHCARD QUESTION
Front
If two angles are supplementary, what is the sum of their measures?
Back
The sum of the measures of supplementary angles is 180 degrees.
Tags
CCSS.7.G.B.5
4.
FLASHCARD QUESTION
Front
What is the measure of an angle that is complementary to a 45° angle?
Back
The measure of the angle is 45° (90° - 45° = 45°).
Tags
CCSS.7.G.B.5
5.
FLASHCARD QUESTION
Front
How can you name an angle using three points?
Back
An angle can be named using three points: the vertex point in the middle and one point from each ray.
6.
FLASHCARD QUESTION
Front
What is the value of the unknown angle if one angle is 83° and they are supplementary?
Back
The unknown angle is 97° (180° - 83° = 97°).
Tags
CCSS.7.G.B.5
7.
FLASHCARD QUESTION
Front
What is an example of a pair of complementary angles?
Back
81° and 9° are complementary angles because 81° + 9° = 90°.
Tags
CCSS.7.G.B.5
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