Types of Angles
Degrees of Angles
Triangles Angles
Triangle Sides
Vocabulary
100
This type of angle is less than 90 degrees.
What is acute?
100
45 degrees.
What is acute?
100
Number of acute angles in an acute triangle.
What is 3?
100
All sides of the triangle are equal.
What is an equilateral triangle?
100
Two or more angles that are equal.
What is congruent angles?
200
This type of angle is exactly 90 degrees.
What is a right angle?
200
91 degrees.
What is obtuse?
200
Number of right angles in a right triangle.
What is 1?
200
2 of the sides are congruent.
What is isosceles?
200
Two angles that equal 180 degrees.
What are Supplementary angles?
300
This type of angle is greater than 90 degrees.
What is an obtuse angle?
300
a right angle.
What is 90 degrees?
300
The number of obtuse angles in an obtuse triangle?
What is 1?
300
None of the sides are congruent.
What is scalene?
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 straight angle?
400
The number of acute angles in a right triangle.
What is two?
400
Equilateral, Scalene, and Isosceles triangles are measured by this.
What are sides?
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
Exactly the same size and shape.
What is congruent?
500
When two lines intersect and form two angles that are not adjacent but are congruent.
What are vertical angles?