Angles that are greater than 90 degrees
Obtuse
If angle A and angle B formed a linear pair and angle B has a measure of 100 degrees, what is the measure of angle A?
80 degrees.
Angles that are less than 90 degrees
Acute
Two angles are adjacent if they share a common _____
side
If angle C and angle D are supplementary angles and angle C has a measure of 88 degrees, what is the measure of angle D?
92 degrees.
TRUE OR FALSE: A complement of an angle is sometimes obtuse.
False
True or False: The supplement of a right angle is also a right angle.
True
If two angles form a linear pair, then they are __________.
Supplementary
Two vertical angles have measures 3x+14 and 5x-4. Find x
x=9
If angle X has a measure of 12 degrees, what is its complement?
78 degrees
What is the name of the tool used to measure angles
Protractor
If two angles are vertical angles, then they are ____________.
Congruent
Two angles form a linear pair, one angle is 4x-6 and the other is 86 degrees. Find x
x=25
If a pair of complementary angles have measures -4x+7 and 6x-3, what is x?
x=43
If a pair of supplementary angles have measures of 19x+23 and 6x-43, can you find x
x=8
A ray that is used to divide an angle into two congruent parts is called a ____________
Bisector
If angle A and angle B are vertical angles and angle B has a measure of 110 degrees, what is the measure of angle A?
1100
Angle G and angle H are vertical angles. Angle G and angle K formed a linear pair. If the measure of angle H is 60 degrees, what is the measure of angle K?
120 degrees.