Find Side Length Using Trig Ratios

Set up the problem.

• sin(47) = x/28

• cos(47) = x/28

• tan(47) = x/28

• cos(47) = 28/x

Tags

CCSS.HSG.SRT.C.8

What is the correct equation that needs to be formed to solve for x?

• sin 40 = w/28

• cos 40 = w/28

• tan 40 = w/28

• sin 40 = 28/w

Tags

CCSS.HSG.SRT.C.8

What is the correct ratio you would use to solve for "w"?

• sin 40 = w/28

• cos 40 = w/28

• tan 40 = w/28

• sin 40 = 28/w

Tags

CCSS.HSG.SRT.C.6

Find the length of side w.

• 21.4 cm

• 18.0 cm

• 36.5 cm

• 43.6 cm

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Use trig ratios (SOH CAH TOA) to solve for x 

• 5.0

• 6.1

• 7.7

• 6.4

Tags

CCSS.HSG.SRT.C.8

What is the value of the missing side length?

Tags

CCSS.HSG.SRT.C.8

What is the correct ratio?

• sin 40 = w/28

• cos 40 = w/28

• tan 40 = w/28

• sin 40 = 28/w

Tags

CCSS.HSG.SRT.C.6

Find the length of side w.

• 21.4 cm

• 18.0 cm

• 36.5 cm

• 43.6 cm

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Identify the trig ratio that may be used to find the marked unknown side.

Tags

CCSS.HSG.SRT.C.6

Use the Trig Toolkit to find the missing side length, y. Choose your answer from the dropdown menu below.

ANSWER: ​ (a)  

• y = 20

• y = 70

• y = 50

Tags

CCSS.HSG.SRT.C.8