Geometry Chapter 8 Exam

_{^{Find the missing side}}

• 9
• 41
• 6.4
• 3

_{^{Find the missing side}}

• 9
• 26.9
• 37
• 18.2

_{^{Find the missing side}}

• 48
• 108
• 83.6
• 72

Classify this triangle by it's side lengths.

• Right
• Pythagorean
• Acute
• Obtuse

A triangle has side lengths:
5, 14, 12  .  Is this triangle a right triangle, an acute triangle, or an obtuse triangle?

• right
• acute
• obtuse

A triangle has side lengths:
20, 21, 28.  Is this triangle a right triangle, an acute triangle, or an obtuse triangle?

• right
• acute
• obtuse

What is the length of x in this 45-45-90 triangle?

• 4√2 or 5.66

• 4

• 8

• 4√3 or 6.93

What is the length of u and v in this 30-60-90 triangle?

• u = 8 v = 4√3 or 6.93

• u = 4√2 or 5.66 v = 8

• u = 16 v = 8

• u = 4√3 or 6.93 v = 8

Fill in the blank...
SOH ___ TOA

• COH
• CAH
• COA
• CHA

Which Trig function do you use?

• Sine
• Cosine
• Tangent