Classifying Triangles

Front

What is an obtuse triangle?

Back

An obtuse triangle is a triangle that has one angle measuring more than 90 degrees.

Front

What is an isosceles triangle?

Back

An isosceles triangle is a triangle that has at least two sides of equal length.

Front

What is a scalene triangle?

Back

A scalene triangle is a triangle in which all three sides are of different lengths.

Front

What is an acute triangle?

Back

An acute triangle is a triangle that has all three angles measuring less than 90 degrees.

Front

How can you identify an obtuse isosceles triangle?

Back

An obtuse isosceles triangle can be identified by having one angle greater than 90 degrees and two sides of equal length.

Front

What are the properties of an equilateral triangle?

Back

An equilateral triangle has all three sides of equal length and all three angles measuring 60 degrees.

Front

What is the sum of the angles in any triangle?

Back

The sum of the angles in any triangle is always 180 degrees.

Front

Can a triangle be both obtuse and isosceles?

Back

Yes, a triangle can be both obtuse and isosceles if it has one obtuse angle and two equal sides.

Front

What is the difference between an acute triangle and an obtuse triangle?

Back

An acute triangle has all angles less than 90 degrees, while an obtuse triangle has one angle greater than 90 degrees.

Front

How do you classify a triangle with sides measuring 5 cm, 5 cm, and 8 cm?

Back

This triangle is classified as an isosceles triangle because it has two sides of equal length.