Cosine Right Triangle

What type of triangle is the context of our study of trigonometry?

• right triangle

• isosceles triangle

• scalene triangle

• acute triangle

Tags

CCSS.2.G.A.1

Which side is opposite angle x?

• 1

• 2

• 3

Which is the correct applied ratio?

• A

• B

• C

• D

Tags

CCSS.HSG.SRT.C.6

Which is the correct applied ratio?

• A

• B

• C

• D

Tags

CCSS.HSG.SRT.C.6

What is the correct ratio?

• 9/41

• 40/41

• 9/40

• 40/9

Tags

CCSS.HSG.SRT.C.6

Determine the value of: cos(C)

• 7 / 25

• 24 / 25

• 25 / 7

• 24 / 7

Tags

CCSS.HSG.SRT.C.6

Which trig ratio or formula should you use to find "c"?

• sin(25)

• cos(25)

• tan(25)

• Pythagorean Theorem

Tags

CCSS.HSG.SRT.C.6

What is the value of "x" in the diagram below?

• 2.5

• 5

• 5√3

• 10

Tags

CCSS.HSG.SRT.C.8

What is the value of "y" in the diagram below?

• 2.5

• 5

• 5√3

• 10

Tags

CCSS.HSG.SRT.C.8

Consider angle B in the diagram below. What is the length of "adjacent side" to angle <B?

• 6

• 8

• 10

• not possible to determine

Tags

CCSS.HSG.SRT.C.6