Triangle Trigonometry - Unit 5 Assessment 1

Determine the value of: sin(C)

• 7 / 25

• 24 / 25

• 25 / 7

• 24 / 7

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CCSS.HSG.SRT.C.6

Consider angle B in the diagram below.

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

• 6

• 8

• 10

• not possible to determine

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CCSS.HSG.SRT.C.6

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

• sine

• cosine

• tangent

• none of these

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CCSS.HSG.SRT.C.8

What is the correct set up for the problem to solve for side w?

• sin 40 = w/28

• cos 40 = w/28

• tan 40 = w/28

• sin 40 = 28/w

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CCSS.HSG.SRT.C.8

Which inverse trig function would you use to find the measure of Angle A?

• inverse sine

• inverse cosine

• inverse tangent

• It is not possible to determine m<A

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CCSS.HSG.SRT.C.8

Find the length of side y.

• 22.32 cm

• 36.5 cm

• 76.34 cm

• 87.76 cm

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CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

What is the length of side x?

• 6.57 cm
• 7 cm
• 7.44 cm
• 26.33 cm

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CCSS.HSG.SRT.C.8

Find the measure of the indicated angle (?) round to the nearest tenth.

• 9.4

• 55.2

• 20.15

• 19.4

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CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

A yacht is anchored 90 feet offshore from the base of a lighthouse.  The angle of elevation from the boat to the top of the lighthouse is 26 degrees.  The distance between the yacht and the top of the lighthouse is about 100 feet.  Which of these is nearest to the height of the lighthouse? 

• 25 feet
• 45 feet 
• 110 feet 
• 135 feet 

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CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

What is the length of y in this picture?

• 45
• 5√2
• 90
• 5

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CCSS.HSG.SRT.C.8