Angle Addition Postulate

Flashcard
•
Mathematics
•
10th Grade
•
Hard
+1
Standards-aligned
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1.
FLASHCARD QUESTION
Front
What is the Angle Addition Postulate?
Back
The Angle Addition Postulate states that if point B is in the interior of angle AOC, then m∠AOB + m∠BOC = m∠AOC.
Tags
CCSS.4.MD.C.7
2.
FLASHCARD QUESTION
Front
What is a linear pair of angles?
Back
A linear pair of angles is a pair of adjacent angles formed when two lines intersect. The angles are supplementary, meaning their measures add up to 180°.
Tags
CCSS.7.G.B.5
3.
FLASHCARD QUESTION
Front
If m∠1 + m∠2 = 180°, what can we say about ∠1 and ∠2?
Back
∠1 and ∠2 are supplementary angles.
Tags
CCSS.7.G.B.5
4.
FLASHCARD QUESTION
Front
What is the measure of a straight angle?
Back
A straight angle measures 180°.
Tags
CCSS.4.G.A.1
5.
FLASHCARD QUESTION
Front
If two angles are complementary, what is the sum of their measures?
Back
The sum of the measures of two complementary angles is 90°.
Tags
CCSS.7.G.B.5
6.
FLASHCARD QUESTION
Front
Calculate m∠XYZ if m∠X = 40° and m∠Y = 50°.
Back
m∠XYZ = m∠X + m∠Y = 40° + 50° = 90°.
Tags
CCSS.4.MD.C.7
7.
FLASHCARD QUESTION
Front
What is the relationship between vertical angles?
Back
Vertical angles are equal; if two lines intersect, the opposite angles formed are congruent.
Tags
CCSS.7.G.B.5
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