Classifying Angles
Types of Triangles
Triangle Sum
Supplementary and Complementary
Vertical Angles
100
Angles that are less than 90 degrees
acute angles
100
Triangles that have all sides equal
equilateral triangles
100
The little box in the corner of a triangle or any figure represents what?
a right angle
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
Triangles that have no equal sides
scalene triangles
200
What is the measure of each interior angle of an equilateral triangle?
60 degrees
200
The name given to two angles with a sum of 90 degrees
complementary angles
200
What is the measurement of angle b?
74 degrees
300
Angles that are equal to 90 degrees
right angles
300
Triangles that have a right angle
right triangles
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
32 degrees
400
Angles that are greater than 90 degrees but less than 180 degrees
obtuse angles
400
Triangles that have three angles less than 90 degrees
acute traingles
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
Triangles that have one angle greater than 90 degrees
obtuse triangles
500
Find the missing angle below.
70 degrees
500
Solve for x:
x = 51
500
Find x:
x = 45