Using Sine Ratio to find missing length

Trigonometry is the study of the measurement of the size of angles and the length of sides of a triangle.

• False

• True

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What is the side across from the right angle called?

• Adjacent Leg

• Hypotenuse

• Opposite Leg

Which missing sides can you use the SINE ratio to calculate?

• Opposite and Adjacent

• Opposite and Hypotenuse

• Adjacent and Hypotenuse

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What is the ratio for Sine?

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Find x.

• 6.47 cm

• 8.90 cm

• 18.7 cm

• 15.1 cm

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Find the length of the missing side x.

Round your answer to 3 significant figures.

• 8.34 cm

• 16.7 cm

• 11.8 cm

• 8.35 cm

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What is the correct ratio?

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Solve for x.

• 9.8

• 0.1

• 0.038

• 9.9

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Find the missing side, x. Round to 3 significant figures.

• 12.0

• 0.283

• 0.799

• 9.03

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Choose the correct ratio.

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