Trig Assessment Including Law of Sines and Cosines

Find the length of Side BC.

• 33

• 24

• 12

• 29

Tags

CCSS.HSG.SRT.D.11

CCSS.HSG.SRT.D.10

Find the length of side AB.

• 10

• 8

• 6.1

• 4.9

Tags

CCSS.HSG.SRT.D.11

CCSS.HSG.SRT.D.10

What is the measure of angle A?

• 58 degrees
• 61 degrees
• 78 degrees
• 74 degrees

Tags

CCSS.HSG.SRT.D.11

CCSS.HSG.SRT.D.10

Find the length of side AC.

• 12

• 10

• 23

• 14

Tags

CCSS.HSG.SRT.D.11

CCSS.HSG.SRT.D.10

Which Law/Theorem would you use to solve for Angle B?

• Law of Sines

• Law of Cosines

• Pythagorean Theorem

• $S=\frac{O}{H},\ C=\frac{A}{H},\ T=\frac{O}{A}$

Which LawTheorem would you use?

• Law of Sines

• Law of Cosines

• Pythagorean Theorem

• $S=\frac{O}{H},\ C=\frac{A}{H},\ T=\frac{O}{A}$

Which Law/Theorem would you use?

• Law of Sines

• Law of Cosines

• Pythagorean Theorem

• $S=\frac{O}{H},\ C=\frac{A}{H},\ T=\frac{O}{A}$

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

Tags

CCSS.HSG.SRT.D.11

CCSS.HSG.SRT.D.10

Amanda and Jamie are standing 25 feet apart and spot a bird in the sky between them.  The angle of elevation from Amanda to the bird is 55, and from Jamie to the bird is 63.  How far away is the bird from Amanda?

• 25.23
• 23.19
• 22.15
• 20.85

Tags

CCSS.HSG.SRT.D.11

CCSS.HSG.SRT.D.10

Identify the Law of Sines

• $\frac{Sin\ a}{A}=\frac{Sin\ b}{B}=\frac{Sin\ c}{C}$

• $\frac{Sin\ A}{a}=\frac{Sin\ B}{b}=\frac{Sin\ C}{c}$

• $\frac{Sin\ a}{a}=\frac{Sin\ b}{b}=\frac{Sin\ c}{c}$

• $\frac{Sin\ A}{A}=\frac{Sin\ B}{B}=\frac{Sin\ C}{C}$