Unit 5 Triangles, Triangles, Triangles!

Front

What is a Right Isosceles Triangle?

Back

A triangle with one 90-degree angle and two equal sides.

Front

What is an Acute Triangle?

Back

A triangle where all angles are less than 90 degrees.

Front

What is a Scalene Triangle?

Back

A triangle with all sides of different lengths.

Front

What is an Obtuse Triangle?

Back

A triangle with one angle greater than 90 degrees.

Front

What does SSS stand for in triangle congruence?

Back

Side-Side-Side; a method to prove triangles are congruent if all three sides are equal.

Front

What does SAS stand for in triangle congruence?

Back

Side-Angle-Side; a method to prove triangles are congruent if two sides and the included angle are equal.

Front

What is the sum of the angles in any triangle?

Back

180 degrees.

Front

How can you determine if two triangles are congruent?

Back

By using congruence criteria such as SSS, SAS, or AAS.

Front

What is an Equilateral Triangle?

Back

A triangle with all three sides and angles equal.

Front

What is the definition of congruent triangles?

Back

Triangles that are identical in shape and size.