Triangle Angle Classification
Triangle Side Classification
Triangle Angle Sum Theorem
Vertical Angles Theorem
Triangle Angle and Side Classification
100
This triangle appears when one of its angles is 90º.
What is a right triangle?
100
This triangle has all of its sides congruent.
What is an equilateral triangle?
100
The unknown value in the triangle.
What is 36º?
100
The answer to variable b.
What is 90º?
100
This triangle has all congruent sides and congruent angles.
What is an equiangular equilateral triangle?
200
This triangle appears when its three angles are less than 90º.
What is an acute triangle?
200
This triangle has at least two congruent sides.
What is an isosceles triangle?
200
The unknown value in the triangle.
What is 55º?
200
The answer to variable b.
What is 44º?
200
This triangle has no congruent sides and all of its angles are less than 90º.
What is an acute scalene triangle?
300
This triangle appears when all of its angles are the same size.
What is an equiangular triangle?
300
This triangle has no congruent sides.
What is a scalene triangle?
300
The value of x in the triangle.
What is -8?
300
The answer to variable x.
What is 12?
300
This triangle has an angle greater than 90º and has two congruent sides.
What is an obtuse isosceles triangle?
400
This triangle appears when all of its angles are 60º.
What is an equiangular triangle?
400
This traingle has two congurent angles.
What is an isosceles triangle?
400
The measure of angle A in the triangle.
What is 50º?
400
The answer to variable x.
What is 13?
400
This triangle has a 90º angle and two congruent sides.
What is a right isosceles triangle?
500
This triangle appears when its three angles are less than 90º.
What is an acute triangle?
500
This triangle has three angles with 60º.
What is an equilateral triangle?
500
The measure of the missing angle.
What is 50º?
500
The answer to variable x.
What is 22?
500
This triangle has no congruent sides and no congruent angles with an angle measuring greater than 90º.
What is an obtuse scalene triangle?