Side Lengths and Angles in Triangles

Write the side lengths in order from least to greatest.

• p, n, m

• p, m, n

• n, p, m

• m, p, n

Name the sides from SMALLEST to LARGEST

• RS, ST, TR

• ST, RT, RS

• RT, ST, RS

• RT, RS, ST

What is the measure of angle b?

• 36^o

• 56^o

• 63^o

• 117^o

Find the missing angle using the Triangle Sum Theorem.

• 25 degrees

• 137 degrees

• 43 degrees

• 34 degrees

• A) Angle P is the smallest

• B) Angle N is the smallest

• C) Angle O is the smallest

• D) All of the angles are equal

In ΔGHJ, GH = 21 inches, HJ = 24 inches, and GJ = 9 inches. Which statement is true?

• ∠G is the smallest

• ∠J is the smallest

• ∠H is the largest

• ∠G is the largest

Which side length is the largest?

• Angle C

• BA

• CB

• CA

Each of the sails on Joshua’s sailboat forms a triangle. The side lengths of one sail are 13, 17, and 20. What is the measure of each side of the sail?

*the largest angle is opposite the longest side length

• XY = 13, XZ = 20, YZ = 17

• XY = 17, XZ = 13, YZ = 20

• XY = 20, XZ = 17, YZ = 13

• XY = 13, XZ = 17, YZ = 20

Name the smallest angle in this triangle.

• ∠A

• ∠B

• ∠C

Identify the shortest side measure.

• QP

• QM

• MP