+0  
 
0
41
1
avatar

https://ibb.co/ynQ8dZt

 

 

link to the question 

 Apr 25, 2021
 #1
avatar+113190 
+1

For 9 use cosing rule.

 

For 8 use cosine rule to find the missing side then sine rule to find one angle. Then use angle sum of a triangle.

 Apr 25, 2021

64 Online Users

avatar
avatar
avatar
avatar
avatar