Sides Angles

Find x.

• x = 118

• x = 31

• x = 23

• x = 62

Classify by its angles.

• acute

• equiangular

• right

• obtuse

What should all three angles in a triangle add up to?

• 360

• 90

• 180

• 270

• WN, NP, WP
• NP, WN, WP
• WP, NP, WN
• WP, WN, NP

• BC, AB, AC
• BC, AC, AB
• AB, AC, BC
• AC, AB, BC

• XZ
• XY
• ZX
• ZY

• ∠XYZ
• ∠XZY
• ∠ZXY
• All angles are the same

• ∠Q, ∠P, ∠R
• ∠P, ∠Q, ∠R
• ∠R, ∠Q, ∠P
• ∠P, ∠R, ∠Q

In ∆XYZ, the angles have the following measures: 
m∠x = 40°; m∠y = 60°; m∠z = 80°
Which list shows the sides in order from longest to shortest?

• XY, XZ, YZ

• XY, YZ, XZ

• YZ, XZ, XY

• ZY, XY, ZX

• ∠R, ∠P, ∠Q
• ∠R, ∠Q, ∠P
• ∠Q, ∠R, ∠P
• ∠P, ∠R, ∠Q