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

Which is the ratio of the legs in a right triangle?

• tangent
• sine
• cosine
• secant

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

The lengths of a triangle are given below. Is the the triangle obtuse, acute, or right?
11, 12, 15

• right
• obtuse
• acute

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

QR is a midsegment of triangle BCD. Solve for the value of x.

• 11
• 18
• 9
• -7

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

sin(120^o)

• - ½
• √3/2
• 2√3 /3
• ½

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

∆ABC is a right triangle. Find the length of x, the altitude of ∆ABC.

• 54 units
• 6√3 units
• 3√6 units
• There is not enough information to determine the length of x.

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

¿A que le llamamos catetos?

• A un lado de un triangulo

• A un lado de un triangulo rectángulo

• A los lados de cualquier triangulo rectángulo

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

Find the length of CF.

• 8

• 4

• 3

• 6

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

What is  $\tan A$  ?

•  $\frac{29}{20}$  

•  $\frac{21}{29}$  

•  $\frac{20}{29}$  

•  $\frac{21}{20}$  

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

Find the measure of the missing angle.

• 64^o
• 26^o
• 61^o
• 8^o

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

Find a.

• $2\sqrt{3}$

• 2

• 12

• 6

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