What are complementary angles?
Adjacent, Vertical, Complementary, Supplementary Angles

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•
Mathematics
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Complementary angles are two angles whose measures add up to 90 degrees.
2.
FLASHCARD QUESTION
Front
What are supplementary angles?
Back
Supplementary angles are two angles whose measures add up to 180 degrees.
3.
FLASHCARD QUESTION
Front
What are vertical angles?
Back
Vertical angles are the angles opposite each other when two lines intersect. They are always equal.
4.
FLASHCARD QUESTION
Front
What are adjacent angles?
Back
Adjacent angles are two angles that share a common side and a common vertex but do not overlap.
5.
FLASHCARD QUESTION
Front
If angle A is 30 degrees, what is the measure of its complementary angle?
Back
60 degrees (90 - 30 = 60).
6.
FLASHCARD QUESTION
Front
If angle B is 120 degrees, what is the measure of its supplementary angle?
Back
60 degrees (180 - 120 = 60).
7.
FLASHCARD QUESTION
Front
If two angles are complementary and one angle measures 25 degrees, what is the measure of the other angle?
Back
65 degrees (90 - 25 = 65).
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