Applying trigonometric ratios

Solve for x to the nearest hundredth: sin 35 = ^x/₁₅

• .57

• 8.6

• 8.61

• .04

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CCSS.HSG.SRT.C.8

You are standing 50 feet from a very tall tree and you are looking at the top of the tree with an angle of elevation of 65^o. If your eye is 5 feet off the ground, how tall is the tree? Round to nearest foot.

• 50 feet

• 107 feet

• 112 feet

• 145 feet

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CCSS.HSG.SRT.C.8

x ≈ _____

• 15.7

• 23.2

• 18.9

• 50.1

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CCSS.HSG.SRT.C.8

Which equation would you use to solve for the unknown angle?

• x =tan^–1(51/85)

• x = tan^–1(85/51)

• x = tan^–1(51/68)

• x = tan^–1(68/51)

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CCSS.HSG.SRT.C.8

A wooden beam 24 feet long leans against a

wall and makes an angle of 71° with the

ground. How high up the wall does the beam

reach to the nearest foot?

• 8 feet

• 23 feet

• 70 feet

• 25 feet

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CCSS.HSG.SRT.C.8

Find the length of x:

• 22

• 17

• 5.4

• 4.9

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CCSS.HSG.SRT.C.8

Find the approximate answer for the variable.

• 16.6

• $\frac{13}{\tan\ 38}$

• $13\cdot\tan\ 38$

• 10.2

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CCSS.HSG.SRT.C.8

Find the missing sides of the triangle.

• 
• 
• 
• 

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CCSS.HSG.SRT.C.8

Find y?

• 9√3
• 9√2
• 18√3
• 9

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CCSS.HSG.SRT.C.8

• 2

• X

• Sin

• 4

Answer explanation

The amplitude is always the absolute value of A

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CCSS.HSG.SRT.C.8