Triangle Classification

Front

What is a triangle classified as if it has one angle measuring 90°?

Back

Right triangle.

Front

What do you call a triangle where all three sides are of equal length?

Back

Equilateral triangle.

Front

What is a triangle called if it has two sides of equal length?

Back

Isosceles triangle.

Front

What is a triangle called if all three sides are of different lengths?

Back

Scalene triangle.

Front

What is a triangle called if it has one angle measuring more than 90°?

Back

Obtuse triangle.

Front

What is a triangle called if all its angles are less than 90°?

Back

Acute triangle.

Front

True or False: A triangle with one angle measuring more than 90° is called an acute-angled triangle.

Back

False.

Front

What is the sum of the angles in any triangle?

Back

180 degrees.

Front

If a triangle has one angle that is 90°, what can you say about the other two angles?

Back

They must add up to 90 degrees.

Front

What type of triangle has exactly two equal sides?

Back

Isosceles triangle.