Right Angles
The measure (in degrees) of a right angle
What is 90 degrees?
Vertical angles are always ___________.
What is congruent?
True or false: Adjacent angles are the same as vertical angles
What is false?
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, what is the measure of angle Y?
What is 60º?
True or false: Adjacent angles are impossible to have
What is false?
Two complementary angles will form a _______ angle.
What is a right angle?
Supplementary angles also form a __________.
What is a linear pair or a straight line or a line segment?
This 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, what is the measure of angle H?
What is 120º?
An angle between 0 degrees and 90 degrees
What is an acute angle?
If angle T and angle V are complementary angles, and the measure of angle T is 40º, what 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, what 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?
An angle that is exactly 90 degrees
What is a right angle?
If angle A and angle B are complementary angles, and the measure of angle A is 35º, what is 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, what 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 equal 90 degrees
What is false?
An angle that measures greater than 90 degrees but less than 180 degrees
What is an obtuse angle?
If angle C and angle D are complementary angles, and the measure of angle C = (x+5)º and the measure of angle D= (2x+4)º , Find the measure of angle C.
What is 32º ?
If angle B and angle C are supplementary angles, and the measure of angle B = (3x+1)º measure of angle C= (x+19)º Find the measure of angle C.
What is 59º?