Review Fall Final Exam Part 3

Front

What is the perimeter of triangle XYZ if M, N, and P are midpoints of triangle MNP with a perimeter of 156?

Back

The perimeter of triangle XYZ is 78.

Front

What is the measure of angle 1 if it is given that m∠1 and m∠3 are supplements and m∠2 and m∠3 are supplements?

Back

The measure of ∠1 is 120°.

Front

What is the length of midsegment MN in triangle ABC if MN is a midsegment?

Back

MN = 5.

Front

What can be concluded if m∠1 and m∠2 are both supplements to m∠3?

Back

Front

What does the Vertical Angles Theorem state?

Back

Vertical angles are congruent.

Front

If the perimeter of triangle MNP is 156 and NP = 56, what is the length of segment MZ if MZ is a midsegment?

Back

MZ = 20.

Front

How do you calculate the perimeter of a triangle given the lengths of its sides?

Back

Add the lengths of all three sides.

Front

What is the relationship between supplementary angles?

Back

The sum of the measures of supplementary angles is 180°.

Front

If two angles are vertical angles, what can be said about their measures?

Back

They are equal.

Front

What is a midsegment in a triangle?

Back

A midsegment connects the midpoints of two sides of a triangle.