TEKS.MATH.9-12.III.A.3

In the figure, <QTS is a right angle, <PTR has a measure of 75 degrees, and <PTQ has a measure of 22 degrees. What is the measure of <RTS?

• 37 degrees
• 187 degrees
• 53 degrees
• 45 degrees

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TEKS.MATH.9-12.III.A.3

Choose the correct ratio.

• cos(33)=x/14
• sin(33)=x/14
• cos(33)=14/x
• sin(33)=14/x

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TEKS.MATH.9-12.III.A.3

In the right triangle  above, BE=5, and AB=12.  If the length of AC is 1 unit more than twice the length of DE, what is the length of DE?

• 1/2
• 5/2
• 3
• 4

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TEKS.MATH.9-12.III.A.3

We can use SOH-CAH-TOA for...

• Any triangle ever
• Non-right triangles only
• Right Triangles only
• Never

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TEKS.MATH.9-12.III.A.3

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

• 8√2
• 4√2
• 4
• 8

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TEKS.MATH.9-12.III.A.3

you ADD a² and c² then take the square root to find b on a right triangle.

• true
• false

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TEKS.MATH.9-12.III.A.3

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

• RIGHTANG
• SOHCAHTOA
• SHOCHATOA

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TEKS.MATH.9-12.III.A.3

Solve for the misssing distance

• 18.9 meters
• 19.5 meters
• 47.2 meters
• 27.5 meters

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TEKS.MATH.9-12.III.A.3

Please select the correct solution 
cos ² x + sin ² x=  

• 1
• csc ² x + sec ² x
• sin ² x
• 1 - sin ² x

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TEKS.MATH.9-12.III.A.3

Find x.

• 4√3

• 4√6

• 4

• 4√8

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TEKS.MATH.9-12.III.A.3