Unit 7 Retest

Front

Find the value of x for this equilateral triangle: What is the value of x?

Back

4

Front

Name the sides from SMALLEST to LARGEST: RS, ST, TR

Back

RT, RS, ST

Front

Find the measure of each angle indicated: What is the measure of the angle?

Back

30°

Front

The Triangle Sum Theorem states that the sum of all angles in a triangle is ______.

Back

180°

Front

Find the measure of the indicated angle: What is the measure of the angle?

Back

58

Front

What is an equilateral triangle?

Back

A triangle with all three sides of equal length.

Front

What is the Triangle Sum Theorem?

Back

The theorem that states the sum of the interior angles of a triangle is always 180°.

Front

What are the properties of an isosceles triangle?

Back

An isosceles triangle has at least two sides that are equal in length and the angles opposite those sides are equal.

Front

What is the formula for finding the area of a triangle?

Back

Area = 1/2 * base * height.

Front

What is a right triangle?

Back

A triangle that has one angle measuring 90°.