Classifying Angles
Angles of a Triangle
Supplementary and Complementary
Vertical Angles
100
Angles that are less than 90 degrees
acute angles
100
The internal angles of a triangle sum to what?
180 degrees
100
The name given to two angles with a sum of 180 degrees?
supplementary angles
100
Vertical angles are always...
Equal or congruent
200
Angles that are equal to 180 degrees
straight angles
OR
a straight line
200
Find the missing angle below.
The missing angle is 70 degrees.
200
The name given to two angles with a sum of 90 degrees.
complementary angles
200
What is the measurement of angle b?
b = 74
300
Angles that are equal to 90 degrees
right angles
300
Two interior angle measures of a triangle are 74 degrees and 53 degrees. What is the measure of the third interior angle?
53 degrees
300
If a=65 degrees, what does b=?
b=25
300
Find the measurement of angle b.
b=32 degrees
400
Angles that are greater than 90 degrees but less than 180 degrees
obtuse angles
400
Find the missing angle.
85 degrees
400
Solve for x:
x=16
400
What does x= below?
x=22
500
The number of degrees in a triangle
180 degrees
500
Can you draw a triangle with the following angle measures? 75 degrees, 75 degrees, and 40 degrees?
No, because 75+75+40 = 190
500
Solve for x:
x = 51
500
Find x:
x=45