IM3 Final Review Ch. 7.2

Using Law of Sines, find side length 'a' (BC).

• 4 km

• 10 km

• 8 km

• 15 km

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CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Using Law of Sines, find the measure of angle A?

• 50 degrees
• 60 degrees
• 78 degrees
• 74 degrees

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CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Using Law of Sines, find side length 'a' (BC).

• 24 mi

• 19 mi

• 14 mi

• 21 mi

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CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Which of the following formulas shows the Law of Cosines?

• c² = a² + b² - 4ac + cosA
• c² = a² - b² - 2abcosC
• c² = a² + b² - 2abcosC
• (cos A)/a = (cos B)/b

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CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

If three sides of a triangle are given, the Law of ____ is used to solve the triangle.

• Cosines
• Sines
• Tangent
• Cosecents
• SOH CAH TOA

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CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Which Law would you use?

• Law of Sines
• Law of Cosines
• Law of Tangent

• SOH CAH TOA

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CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Which Law would you use?

• Law of Sines
• Law of Cosines
• Law of the Jungle
• Law of Gravity

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CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Using Law of Cosines, find the measure of angle Z.

• 20.15°

• 71.23°

• 51.06°

• 57.71°

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CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Using Law of Cosines, find side length 'p' (QR).

• 34.7 km
• 2.2 km
• 13.74 km

• 31.1 km

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CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Set up the problem using basic trig functions.

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CCSS.HSG.SRT.C.6