Unit 8 Right Triangle Trig Review (3rd Quarter Reassessment)

What is the value of "x" in the diagram below?

• 2.5

• 5

• 5√3

• 10

Determine the value of: sin(C)

• 7 / 25

• 24 / 25

• 25 / 7

• 24 / 7

Determine the value of: cos(C)

• 7 / 25

• 24 / 25

• 25 / 7

• 24 / 7

Determine the value of: tan(C)

• 7 / 25

• 24 / 25

• 25 / 7

• 24 / 7

Consider angle B in the diagram below.

What is the length of "opposite side" to angle B?

• 6

• 8

• 10

• not possible to determine

Consider angle B in the diagram below.

What is the length of "adjacent side" to angle <B?

• 6

• 8

• 10

• not possible to determine

Which trigonometric function would you use to find "h", the height of the tree?

• sine

• cosine

• tangent

• none of these

Which expression is correct for "y"?

• y = tan^–1(31/23)

• y = sin^–1(31/23)

• y = cos^–1(31/23)

Find the length of the missing side. 

• 17 cm
• 22 cm
• 15 cm
• 13 cm

Find the length of the missing side. 

• 20 in.
• 68 in.
• 16 in.
• 80 in.