Isosceles and Equilateral Triangles

Front

What is an isosceles triangle?

Back

A triangle with at least two sides of equal length.

Front

What is an equilateral triangle?

Back

A triangle with all three sides of equal length.

Front

What is a scalene triangle?

Back

A triangle with all sides of different lengths.

Front

What is the sum of the interior angles of a triangle?

Back

180°.

Front

What is an acute triangle?

Back

A triangle where all three angles are less than 90°.

Front

What is an obtuse triangle?

Back

A triangle with one angle greater than 90°.

Front

What are complementary angles?

Back

Angles that add up to 90°.

Front

What are supplementary angles?

Back

Angles that add up to 180°.

Front

How do you classify a triangle based on its angles?

Back

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

Front

How do you classify a triangle based on its sides?

Back

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