Right Angles
Vertical Angles
Adjacent Angles
Complementary Angles
Supplementary Angles
100
The measure (in degrees) of a right angle
What is 90 degrees
100
Vertical angles are always ___________.
What is congruent?
100
Adjacent angles are
a. across and equal
b. always equal to 180 degrees
c. side by side
What is side by side?
100
Complementary angles add up to be ______.
What is 90º?
100
Supplementary angles add up to be _________.
What is 180º?
200
True or false: A pentagon can have a right angle.
What is true?
200
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?
200
True or False: All supplementary angles are adjacent.
What is false?
200
Two complementary angles will form a _______ angle.
What is a right angle?
200
Supplementary angles also form a __________.
What is a linear pair or a straight line or a line segment?
300
This special shape has only one right angle
What is a triangle?
300
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?
300
Are these angles adjacent?
Yes.
300
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?
300
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?
400
This shape has four right angles and only opposite sides are congruent
What is a rectangle?
400
True or False: Vertical angles are formed by the intersection of two lines (the angles on opposite sides of the intersection).
What is true?
400
Are <COB and COA adjacent?
No they are overlapping. <COB and <BOA are adjacent.
400
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?
400
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?
500
This shape has four right angles and all sides are congruent
What is a square?
500
What are the measures of the two angles?
What is 60 degrees?
500
< 4 and < 3 are adjacent angles. The measure of < 3 is 120 degrees. What is the measure of <8?
What is 60 degrees.
500
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.
Hint: Angle C and Angle D both equal 90 degrees.
What is 32º ? x+5+2x+4=90 3x=81 x=27 C= 27+5 --> 32
500
If angle B and angle C are supplementary angles, and the measure of angle B = (3x+1)º the measure of angle C= (x+19)º Find the measure of angle C.
Hint: Angle B and Angle C equal 180 degrees.
What is 59º? 3x+1+x+19=180 4x=160 x=40 C=40+19 --> 59