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

Susan is flying a kite, which gets caught in the top of a tree.  Use the diagram to estimate the height of the tree. 

• 63 ft
• 65 ft
• 74 ft
• 87 ft

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

What type of triangles do you use the trig ratios with?

• any type
• right triangle
• obtuse triangle
• acute triangle

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

Solve.

• 63, 27
• 63, 33
• 5, 33
• 30, 60

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

What is the ratio for Cosine?

• Opp/Hyp
• Opp/Adj
• Adj/Opp
• Adj/Hyp

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

What is the ratio for Sine?

• Hyp/Opp
• Opp/Hyp
• Opp/Adj
• Adj/Opp

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

What is the value of x?

• 960
• 30.98
• 43.91
• 14.24

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

What type of triangle is the context of our study of trigonometry?

• right triangle
• isosceles triangle
• scalene triangle
• acute triangle

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

What is cos^-1(½)?

• ¼π, 45⁰
• ⅓π, 60⁰
• ½π, 90⁰
• π, 180⁰

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

Solve for the missing angle.

• 50.5 degrees
• 12.7 degrees
• 36.9 degrees
• 72.2 degrees

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

What is the measure of side c?

• 7
• 7/√2
• 7√2
• 14

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