Unit 5 Test

Front

Find the length of LM.

Back

68

Front

True or False: a triangle can have the side lengths of 8, 9, and 15?

Back

True

Front

Find the length of BC.

Back

9

Front

Find DE.

Back

7

Front

In triangle CDF, K is the centroid. Find the measure of FG.

Back

18

Front

What is the Triangle Inequality Theorem?

Back

The sum of the lengths of any two sides of a triangle must be greater than the length of the third side.

Front

What is a centroid in a triangle?

Back

The centroid is the point where the three medians of the triangle intersect.

Front

What is the formula for finding the length of a side in a right triangle?

Back

Use the Pythagorean theorem: a² + b² = c², where c is the hypotenuse.

Front

What does it mean for a triangle to be scalene?

Back

A scalene triangle has all sides of different lengths.

Front

What is the definition of a median in a triangle?

Back

A median is a line segment joining a vertex to the midpoint of the opposite side.