Right Angles
The measure (in degrees) of a right angle
What is 90 degrees
Vertical angles are always ___________.
What is congruent (have the same measures)?
Adjacent angles always add up to be _________.
What is the measure of the full angle?
Complementary angles add up to be ______.
What is 90º?
Supplementary angles add up to be _________.
What is 180º?
The type of lines that form a right angle
What are perpendicular lines?
If angle X and angle Y are vertical angles, and the measure of angle X is 60º, ___ is the measure of angle Y.
What is 60º?
Adjacent angles can also be _____ or _____ angles.
What is complementary or supplementary?
Two adjacent complementary angles form a _______ angle.
What is a right angle or perpendicular pair?
Two adjacent supplementary angles form a __________.
What is a straight line or a linear pair?
This special shape has only one right angle
What is a triangle?
If angle G and angle H are vertical angles, and the measure of angle G is 120º, ___ is the measure of angle H.
What is 120º?
Angle T and angle V are adjacent angles. The measure of angle T is 40º and the measure of angle V is 103º , ____ is the measure of the full angle?
What is 143º?
If angle T and angle V are complementary angles, and the measure of angle T is 40º, ____ is the measure of angle V.
What is 50º?
If angle T and angle V are supplementary angles, and the measure of angle T is 45º, ____ is the measure of angle V.
What is 135º?
This shape has four right angles and only opposite sides are congruent
What is a rectangle?
True or False: Vertical angles are formed by the intersection of two lines (the angles on opposite sides of the intersection).
What is true?
If angle T and angle V are adjacent angles, the measure of angle T is 67º, and the measure of the full angle is 85º, ____ is the measure of angle V.
What is 18º?
If angle A and angle B are complementary angles, and the measure of angle A is 35º, ___ is the measures the measure of angle B.
What is 55º?
If angle K and angle L are supplementary angles, and the measure of angle L is 105º, ____ is the measure of angle K.
What is 75º?
This shape has four right angles and all sides are congruent
What is a square?
True or False: Vertical angles cannot form a linear pair.
What is false? They can form a linear pair. The measure of both angles would be 180º.
If angle T and angle V are adjacent angles, the measure of angle T = (x)º, the measure of angle V = (2x)º, and the measure of the full angle is 144º, ___ and ___ are the measures of angle T and angle V.
What is 48º and 96º?
If angle C and angle D are complementary angles, the measure of angle C = (x+5)º, and the measure of angle D= (2x+4)º, ___ is the measure measure of angle C.
What is 32º ? x+5+2x+4=90 3x=81 x=27 C= 27+5 --> 32
If angle B and angle C are supplementary angles, the measure of angle B = (3x+1)º, and the measure of angle C= (x+19)º, ____ is the measure of angle C.
What is 59º? 3x+1+x+19=180 4x=160 x=40 C=40+19 --> 59