Complementary Angles
Supplementary Angles
Angle Relationships
Finding Missing Angles
Triangles
Vocabulary
100
Find the complement of 83 degrees
7 degrees
100
Find the supplement of 82 degrees
98 degrees
100
Angles on opposite sides of the vertex when lines intersect
Vertical Angles
100
Complementary angles
Angle A measures 45o
Angle B measures _______
Angle B measures 45o
100
The two angles in a triangle are 50 degrees and 26 degrees. What is the missing angle?
104 degrees
100
The sum of angles that equal 90 degrees
Complementary angles
200
Find the complement of 17 degrees
73 degrees
200
Find the supplement of 73 degrees
107 degrees
200
Angle ABC measures 55o and Angle DBG measure 35o .
Complementary Angles
200
Supplementary angles.
Angle A measures 25o
Angle B measures _________
Angle B measures 155o
200
Two angles in a triangle add up to 145 degrees. What is the measure of the 3rd angle in the triangle?
35 degrees
200
Lines that are the same distance apart that will never intersect
Parallel Lines
300
Find the complement of 37 degrees
53 degrees
300
Find the supplement of 90 degrees
90 degrees
300
Draw an example of vertical angles
It should look similar to my drawing...
300
Supplementary angles
Angle A measures 152o
Angle B measures _________
Angle B measures 128o
300
There are line segments of lengths 12 cm, 15 cm, and 22 cm. Can they form a triangle? If yes, will they form one unique triangle or unlimited triangles?
Yes. One unique triangle.
300
Lines that intersect at a 90 degrees angle
Perpendicular Lines
400
Find the complement of 29 degrees
71 degrees
400
Find the supplement of 3 degrees
177 degrees
400
Angles that are side by side.
Adjacent Angles
400
Angle A measures 90o
Angle B measures 90o
These angles are ____________ and _____________ (They add up to...?)
Right and Supplementary
400
Line segments with lengths 10 cm, 10 cm, and 20 cm are given. Can you form a triangle? If yes, how many?
No. Cannot form a triangle. the two short sides are not longer than the long side.
400
Define supplementary angles
the sum of angles that equal 180 degrees
500
The following are 2 complementary angles... x and x + 4 What is the measurement of each angle?
43 degrees and 47 degrees
500
The following 2 angles are supplementary angles
2x and 3x - 5
What is the measurement of each angle?
74 degrees and 106 degrees
500
Draw a pair of angles that are NOT adjacent but supplements of each other.
It should look similar to my drawing...
500
True or False: Adjacent angles can be Vertical angles
False
500
Three angles are given: 45 degrees, 45 degrees, and 90 degrees. Can they form a triangle? If yes, how many? (one unique, or unlimited)
Yes! They can form an unlimited amount of triangles. (can make it as small or large as possible while keeping the same angles)
500
Define a vertex
A point where lines intersect