What is the Angle Addition Postulate?
Angle Addition Postulate

Flashcard
•
Mathematics
•
10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The Angle Addition Postulate states that if point B is in the interior of angle AOC, then m∠AOB + m∠BOC = m∠AOC.
2.
FLASHCARD QUESTION
Front
Calculate m∠ABC if m∠ABD = 60° and m∠DBC = 45°.
Back
m∠ABC = m∠ABD + m∠DBC = 60° + 45° = 105°.
3.
FLASHCARD QUESTION
Front
If m∠A + m∠B = 90°, what type of angles are A and B?
Back
A and B are complementary angles.
4.
FLASHCARD QUESTION
Front
What is the measure of a right angle?
Back
A right angle measures 90°.
5.
FLASHCARD QUESTION
Front
If m∠RST = (12x - 1)° and m∠RSU = (9x - 15)°, and m∠UST = 53°, find x.
Back
x = 13.
6.
FLASHCARD QUESTION
Front
What is another name for ∠H if it is formed by points K, G, and H?
Back
∠LHG.
7.
FLASHCARD QUESTION
Front
Calculate m∠DEF if it is a straight angle.
Back
m∠DEF = 180°.
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