Classifying Triangles and Triangle Sum Theorem FLASHCARD

Front

What type of triangle has two sides of equal length?

Back

Isosceles Triangle

Front

What is the sum of the interior angles of a triangle?

Back

180 degrees

Front

What type of triangle has all sides of different lengths?

Back

Scalene Triangle

Front

What type of triangle has all sides of equal length?

Back

Equilateral Triangle

Front

What type of triangle has one angle greater than 90 degrees?

Back

Obtuse Triangle

Front

What type of triangle has one angle equal to 90 degrees?

Back

Right Triangle

Front

An equiangular triangle has...

Back

All congruent angles.

Front

A scalene triangle has...

Back

No congruent sides.

Front

What is the value of x in a triangle where the angles are x, 80, and 40 degrees?

Back

x = 60 degrees.

Front

What is the definition of a triangle?

Back

A polygon with three edges and three vertices.