Warm Up: Geometry Midterm Review

Look at the sides of this triangle. What type of triangle is this?

• Equilateral
• Isosceles
• Scalene
• Obtuse

Look at the sides of this triangle. What type of triangle is this?

• scalene
• acute
• equilateral
• isosceles

Look at the sides and angles of this triangle. Which type of triangle is pictured?

• Equilateral Triangle
• Scalene Triangle
• Isosceles Triangle
• Right Triangle

A triangle has angle measurements of 74°, 90°, and 16°. What kind of triangle is it?

• acute triangle
• right triangle
• obtuse triangle
• none of the above

Vertical angles are always

• acute
• total 180 degrees
• congruent (equal measures)
• adjacent angles

Find the supplementary angle for 104 degrees...

• 70 degrees

• 74 degrees

• 76 degrees

Find the supplementary angle for 119 degrees...

• 65 degrees

• 61 degrees

• 51 degrees

How are the triangles congruent?

• AAS
• SAS
• ASA
• SSS

Which of the following are NOT sufficient to prove two triangles are congruent? Choose all that apply.

• SSS

• AAA

• ASA

• SSA

• AAS

Are these two triangles similar? Which similarity criterion do you use to prove it?

• Yes, AA

• Yes, SAS

• Yes, SSS

• Not Similar