Interactive practice questions
To use the cosine rule to find the length of $AC$AC, which angle would need to be given?
$\angle CAB$∠CAB
A
$\angle BCA$∠BCA
B
$\angle ABC$∠ABC
C
Easy
< 1min
Which of the following is true for the given triangle?
Easy
< 1min
Which of the following is the correct equation to solve for missing side $a$a?
Easy
< 1min
Find the length of $a$a using the cosine rule.
Round your answer to two decimal places.
Easy
3min
Sign up to access Practice Questions
Get full access to our content with a Mathspace account