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

Do the segment lengths 15, 12, and 9 form a right triangle?

• Yes
• No
• Maybe
• Pythagoras

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

What is the angle measure, in degrees, at the red marking on the unit circle?

• 30°
• 45°
• 60°
• 90°

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

What type of special triangle is this?

• 45°-45°-90°
• 30°-60°-90°
• Isosceles
• Obtuse

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

In rectangle GHJK solve for x.

• 25
• 65
• 17
• 5

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

What is the measure of side c?

• 6
• 6√2
• 6√3
• 12

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

x = ?

• 90
• 180
• 45
• 80

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

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

• 48.9°

• 60.7°

• 29.3°

• 41.1°

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

Which is the best strategy to use for finding the length of the missing side?

• sine

• cosine

• tangent

• Pythagorean Theorem

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

sec²x =

• sinx + cosx

• 1 + csc²x

• 1 + tan²x

• 1 - sin²x

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

Find NM

• 12

• 17

• 31

• 20

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