1
answer
283
views
42
Problem

For access to Textbook Solutions, a Class+ or Grade+ subscription is required.

Textbook Expert
Textbook ExpertVerified Tutor
24 Nov 2021

Given information

The given figure is:

The given measurements are:

and  

Step-by-step explanation

Step 1.
  • The law of cosines states that where , and are the lengths of sides of triangle and   is the angle between the sides with lengths is the angle between the sides with lengths and .
  • From the figure it can be noticed that:

 

 

 

 

  • Substitute the values of , , and   in the law of cosines.

 

 

Unlock all Textbook Solutions

Already have an account? Log in
Start filling in the gaps now
Log in