Unit 4 Flashcardzes

Front

What is an isosceles triangle?

Back

A triangle with at least two sides of equal length.

Front

What is the measure of angle A in a triangle if it is given as 88 degrees?

Back

Angle A measures 88 degrees.

Front

What is an equilateral triangle?

Back

A triangle with all three sides of equal length and all angles measuring 60 degrees.

Front

What does SAS stand for in triangle congruence?

Back

SAS stands for Side-Angle-Side, a criterion for triangle congruence.

Front

What is the HL theorem in triangle congruence?

Back

HL stands for Hypotenuse-Leg, a criterion used to prove the congruence of right triangles.

Front

What is a scalene triangle?

Back

A triangle with all sides of different lengths.

Front

What is a right triangle?

Back

A triangle that has one angle measuring 90 degrees.

Front

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

Back

The sum of the interior angles of a triangle is always 180 degrees.

Front

What is the definition of congruent triangles?

Back

Triangles that are identical in shape and size, meaning their corresponding sides and angles are equal.

Front

What is the AAS theorem in triangle congruence?

Back

AAS stands for Angle-Angle-Side, a criterion for proving triangle congruence.