+0  
 
0
170
1
avatar+180 

What is the measure of ∠C, to the nearest degree?

22°

43°

47°

68°

oscar.a1551  May 15, 2018
 #1
avatar+91148 
+2

We can use the Law of Sines,here

 

sin 61 / 45  = sin C  / 35      multiply both sides by 35

 

35 * sin 61 / 45  = sin C

 

(35 / 45) sin 61  = sin C

 

(7/9)sin 61  = sin C

 

Use the sine inverse to  find  C

 

arcsin  [ (7/9) sin 61 ]  = C  ≈   42.86° = 43°

 

 

 

cool cool cool

CPhill  May 15, 2018
edited by CPhill  May 15, 2018

15 Online Users

avatar

New Privacy Policy

We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive information about your use of our website.
For more information: our cookie policy and privacy policy.