Chapter 5 Review

Front

Name the corresponding part: ∠CAB ≅ ____.

Back

∠NLM

Front

Classify the triangle with angles 40° and 140°.

Back

Isosceles Obtuse.

Front

What is the value of x in the triangle with angles 30°, (5x+5)°, and (5x-5)°?

Back

14

Front

What would you enter for Statement #2?

Back

Segment YW is congruent to Segment YW

Front

Solve for x in the triangle with sides 18, 9x+9, and 25.

Back

x = 1

Front

What is the sum of the angles in a triangle?

Back

180°

Front

Define an isosceles triangle.

Back

A triangle with at least two sides of equal length.

Front

What is the definition of congruent angles?

Back

Angles that have the same measure.

Front

How do you find the measure of an unknown angle in a triangle?

Back

Subtract the sum of the known angles from 180°.

Front

What is the Pythagorean theorem?

Back

In a right triangle, a² + b² = c², where c is the hypotenuse.