Classifying Triangles

Front

What is a scalene triangle?

Back

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

Front

What defines an isosceles triangle?

Back

An isosceles triangle is defined as a triangle that has at least two sides of equal length and the angles opposite those sides are equal.

Front

What is an equilateral triangle?

Back

An equilateral triangle is a triangle in which all three sides are of equal length and all three angles are equal, each measuring 60°.

Front

What is an acute triangle?

Back

An acute triangle is a triangle where all three angles are less than 90°.

Front

What is a right triangle?

Back

A right triangle is a triangle that has one angle measuring exactly 90°.

Front

What is an obtuse triangle?

Back

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

Front

How can you classify a triangle based on its sides?

Back

Triangles can be classified as scalene, isosceles, or equilateral based on the lengths of their sides.

Front

How can you classify a triangle based on its angles?

Back

Triangles can be classified as acute, right, or obtuse based on the measures of their angles.

Front

What is the sum of the angles in any triangle?

Back

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

Front

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

Back

It is an obtuse isosceles triangle.