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Types of Angles
Degrees of Angles
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Vocabulary
100

Complementary angles are angles that sum to this amount.

What is 90 degrees?

100

45 degrees.

What is acute?

100

A shape has 3 vertices and 3 line segments.

What is a triangle?

100

All of my angles are less than 90 degrees

What is an acute triangle?

100
Two or more angles that are equal.
What is congruent angles?
200

What is the complement of 60 degrees?

What is a 30 degrees?

200
91 degrees.
What is obtuse?
200

A triangle has angle measurements of 74, 90, and 16 degrees.

What is a right triangle? (Scalene)

200

A)  -5 -3 =

B)  (-5) (-3) =

A) - 8

B) 15

200
Two angles that equal 180 degrees.
What are Supplementary angles?
300

Equilateral, Scalene, and Isosceles triangles are measured by this.

What are sides?

300

Supplementary angles sum to this amount.

What is 180 degrees?

300

A triangle has two 71 degree and one 38 degree angle.

What is an isosceles triangle? (Acute)

300

True or False: you can have supplementary angles adjacent to complementary angles.

True

300
Two angles that equal 90 degrees.
What are complementary angles?
400
This type of angle is 180 degrees.
What is a straight angle?
400

180 degrees.

What is a straight angle? or What is the sum of supplementary angles?

400
The number of acute angles in a right triangle.
What is two?
400

-5 - 3x = -2

What is -1?

400
Two angles that share a common side, a common vertex, and do not overlap.
What are adjacent angles?
500
The four types of angles in order from largest to smallest.
What is straight, obtuse, right, and acute?
500
1 degree.
What is acute?
500
Number of straight angles in an obtuse triangle?
What is 0?
500

A triangle's angles has measurements of 163, 2, and 15 degrees. Classify by sides and angles.

What is a scalene obtuse triangle?

500
When two lines intersect and form two angles that are not adjacent but are congruent.
What are vertical angles?