Geometry Chapter 8 Review Trigonometry

I have been given the short leg in this 30-60-90 triangle.  How do I find the long leg?

• Multiply 4 by 2

• Multiply 4 by √3

• Multiply 4 by √2

• Divide 4 by 2

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CCSS.HSG.CO.C.10

Find a.

• 9

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CCSS.HSG.SRT.C.8

Give the value of x according to the following diagram

• x = 9

• x = 18

• x = 81

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CCSS.HSG.SRT.C.8

Give the value of x

• x = 7

• x = 14

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CCSS.HSG.SRT.C.8

Find the length of side w.

• 21.4 cm

• 18.0 cm

• 36.5 cm

• 43.6 cm

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CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Find the measure of the angle.  Round to the nearest tenth. 

• 30.8

• 32.1

• 34.3

• 36.9

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CCSS.HSG.SRT.C.8

Using the Pythagorean theorem, find the length of the missing side of a right triangle if one leg is 8 cm and the hypotenuse is 10 cm.

• 6 cm

• 2 cm

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CCSS.8.G.B.7

What is the value of x?

• 17.30

• 11.33

• 0.06

• 23.82

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CCSS.HSG.SRT.C.8

What is the value of x?

• 9.17

• 98.13

• 0.11

• 26.69

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CCSS.HSG.SRT.C.8

What is the acronym to help you remember the ratios to use in trigonometry?

• RIGHTANG

• SOHCAHTOA

• SHOCHATOA

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CCSS.HSG.SRT.C.7