Classifying Triangles

Front

What are the angles of a triangle?

Back

The angles of a triangle are denoted as \(\angle A, \angle B, \angle C\).

Front

What is a scalene triangle?

Back

A scalene triangle is a triangle that has no congruent sides.

Tags

CCSS.4.G.A.2

Front

What is an isosceles triangle?

Back

An isosceles triangle is a triangle that has two congruent sides.

Tags

CCSS.4.G.A.2

Front

What type of triangle has one right angle?

Back

A right triangle has one right (90°) angle.

Tags

CCSS.4.G.A.2

Front

What is an equilateral triangle?

Back

An equilateral triangle is a triangle where all three sides are congruent and all angles are equal to 60°.

Tags

CCSS.4.G.A.2

Front

What is an obtuse triangle?

Back

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

Tags

CCSS.4.G.A.2

Front

What is a right triangle?

Back

A right triangle is a triangle that has one angle equal to 90°.

Tags

CCSS.4.G.A.2

Front

What is the sum of the angles in any triangle?

Back

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

Tags

CCSS.8.G.A.5

Front

What defines a triangle as acute?

Back

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

Tags

CCSS.4.G.A.2

Front

How can you classify triangles based on side lengths?

Back

Triangles can be classified as scalene, isosceles, or equilateral based on their side lengths.

Tags

CCSS.4.G.A.2