Congruent Triangles

Front

What is a congruent triangle?

Back

A triangle that is identical in shape and size to another triangle, meaning all corresponding sides and angles are equal.

Front

Classify a triangle with all angles less than 90 degrees.

Back

Acute Triangle.

Front

Classify a triangle with one angle greater than 90 degrees.

Back

Obtuse Triangle.

Front

Classify a triangle with one right angle.

Back

Right Triangle.

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 and all angles equal to 60 degrees.

Front

What does SAS stand for in triangle congruence?

Back

Side-Angle-Side: Two sides and the included angle of one triangle are equal to two sides and the included angle of another triangle.

Front

What does ASA stand for in triangle congruence?

Back

Angle-Side-Angle: Two angles and the included side of one triangle are equal to two angles and the included side of another triangle.

Front

What does SSS stand for in triangle congruence?

Back

Side-Side-Side: All three sides of one triangle are equal to all three sides of another triangle.

Front

What does HL stand for in triangle congruence?

Back

Hypotenuse-Leg: In right triangles, if the hypotenuse and one leg of one triangle are equal to the hypotenuse and one leg of another triangle, the triangles are congruent.