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

What are x and y in this 30-60-90 triangle?

• x = 6 y = 3√3
• x = 3√2 y = 3
• x = 3√3 y = 6
• x = 3√3 y = 3√2

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

Which side of the triangle is the hypotenuse?

• 7
• 25
• 24
• who cares

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

Which equation could be used to find the measure of one acute angle in the right triangle at the right? 

• tanB = 14/9 
• cosA = 9/14
• tanB = 9/14
• sinA = 9/14

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

What is the ratio for Tangent?

• Adjacent Leg / Opposite Leg
• Adjacent Leg / Hypotenuse
• Opposite Leg / Hypotenuse 
• Opposite Leg / Adjacent Leg

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

Which trig function would help you solve for the missing angle?

• sine
• cosine
• tangent
• pythagorean theorem

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

Which equation would be used to solve for x?

• x²+31²=67²
• tan(31)= x/67
• 67²+31²=x²
• cos^-1(31/67)

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

cot 270^o

• 0

• 1

• -1

• und

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

What is 120 degrees in radians?
 

• 2π/3
• π/3
• 5π/3
• 4π/3

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

What is the measure of x?

• 110

• 36

• 25

• 32

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

sin^-1(-1/2)

• π/3
• π/6
• 5π/6
• -π/6

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