Triangle Inequalities
Solving for Angles
Solving for Sides
Triangle Midsegments
100

Do the following side lengths form a triangle?

2, 4, 10

no

100

Find the measure of angle 1.

51 degrees

100

Solve for AC.

9 ft

100

List all 3 pairs of parallel segments.

AB||ON, AC||MN, BC||MO

200

A triangle has two known side lengths of 11 and 18. What is the range of possible side lengths of the third side?

7<x<29

200

Find the measure of angle 2.

18 degrees

200

What is the length of EF?

18 in

200

M, N and P are midpoints. QR=22, MN=9, RN=10. Find NP, QS, and RS.

NP=11, QS=18, RS=20

300

In triangle GEF, m<G=35 and m<F=72. Order the sides from least to greatest. 

EF, GE, GF

300

Find the measure of angle U.

54 degrees

300

Solve for x.

x = 4

300

x=10

400

Give the range for the possible x values. 

2<x<6

400

Triangle ABC is an equilateral triangle. Solve for x.


x = 13

400

If STR is an equilateral triangle, then find the length of ST.

74

400

Find the measure of angle ACB.

87

500
In triangle ABC, AB=2x+1, BC=x+1 and AC=4x-7. Give the range of possible x values. 


2.3<x<9

500

Solve for x.

x = 9

500

If DEF is an Isosceles triangle with DE = EF, then what is the measure of DE?

67

500

m<AYC=55 and m<BZC=30. 

Find m<XAB, m<AXB, and m<ZBA.

m<XAB=55, m<AXB=95, m<ZBA=150