Classifying Triangles

Front

What are complementary angles?

Back

Angles that add up to 90°.

Front

If a triangle has all angles less than 90° and two equal sides, what type of triangle is it?

Back

Acute Isosceles.

Front

What type of triangle has all three angles equivalent and all three sides equivalent?

Back

Equilateral.

Front

What type of triangle has one angle that is exactly 90°?

Back

Right Triangle.

Front

What is an acute triangle?

Back

A triangle where all angles are less than 90°.

Front

What is an obtuse triangle?

Back

A triangle that has one angle greater than 90°.

Front

What is a scalene triangle?

Back

A triangle with all sides of different lengths.

Front

What is an isosceles triangle?

Back

A triangle with at least two sides of equal length.

Front

What is the sum of the angles in any triangle?

Back

180°.

Front

If a triangle has one angle greater than 90°, what type of triangle is it?

Back

Obtuse Triangle.