Angle Relationships Flashcards
What does adjacent mean?
Next to
What is the definition of adjacent angles?
Angles next to each other that form a new angle
What is the definition of vertical angles?
The angles formed across from each other when two lines cross
When two lines cross, how many pairs of vertical angles are formed?
2 pairs
What is a right angle?
a 90 degree angle
What are supplementary angles?
Angles that add to 180 degrees
What are complementary angles?
Angles that add to 90 degrees
What is an acute angle?
An angle smaller than 90 degrees
What is an obtuse angle?
An angle between 90 degrees and 180 degrees
What is a reflex angle?
An angle greater than 180 degrees
How many degrees are in a full circle?
360
How many degrees are in half a circle?
180
Finish the sentence:
If two angles are supplementary, then the angles…
Add to 180 degrees
Finish the sentence:
If two angles are complementary, then the angles…
Add to 90 degrees
Finish the sentence:
Finish the sentence: If two angles are adjacent, then…
You can add their measures to find the size of the new angle
Finish the sentence:
If two angles are vertical, then…
The angles have the same degree measure
What is the relationship between angle A and angle B?
adjacent AND supplementary
What is the relationship between angle A and angle B?
adjacent
What is the relationship between angle A and angle B?
adjacent
What is the relationship between angle A and angle B?
adjacent AND complementary
What is the relationship between angle A and angle B?
vertical
What is the relationship between angle A and angle B?
adjacent
What is the relationship between angle A and angle B?
adjacent AND supplementary
What is the relationship between angle A and angle B?
vertical
What equation can you write for this image?
b + 50 = 180
What equation can you write for this image?
b = 43
What equation can you write for this image?
209 + b + 96 = 360
What equation can you write for this image?
b + 63 = 90
What equation can you write for this image?
35 + b = 180
What equation can you write for this image?
b + 29 = 90
What equation can you write for this image?
94 + b + 243 = 360
What equation can you write for this image?
49 + b = 180
What equation can you write for this image?
90 = b
What equation can you write for this image?
b = 73