Right Angles
The measure (in degrees) of a right angle
90º
Vertical angles are always ___________.
congruent
The word Adjacent in adjacent angles tells you _________.
that two angles are next to each other
Complementary angles add up to ______.
90º
Supplementary angles add up to _________.
180º
The type of lines that form a right angle
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?
60º
Adjacent angles share a __________ .
common ray
Two complementary angles will form a _______ angle.
right angle
Supplementary angles also form a __________.
a linear pair of angles
This geometric shape that has three sides but only one right angle
a right 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?
120º
If angle T and angle V are adjacent angles whose sum is 100º, and the measure of angle T is 40º, what is the measure of angle V?
60º
If angle T and angle V are complementary angles, and the measure of angle T is 40º, what is the measure of angle V?
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?
135º
This shape has four right angles and only opposite sides are congruent
a rectangle
True or False: Vertical angles are formed by the intersection of two lines (the angles on opposite sides of the intersection).
true
If angle T and angle V are adjacent angles whose sum is 130, and the measure of angle T is 60º, what is the measure of angle V?
70º
If angle A and angle B are complementary angles, and the measure of angle A is 35º, what is the measure of angle B?
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?
75º
This shape has four right angles and all sides are congruent
a square
True or False: Vertical angles cannot form a linear pair.
false
If angle T and angle V are adjacent angles whose sum is 150º, and the measure of angle T = (x)º measure of angle V = (2x)º Find the measure of angle V.
100º
If angle C and angle D are complementary angles, and the measure of angle C = (x+5)º measure of angle D= (2x+4)º Find the measure of angle C.
32º... x+5+2x+4=90 3x=81 x=27 C= 27+5 --> 32
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.
59º... 3x+1+x+19=180 4x=160 x=40 C=40+19 --> 59