Answer:
4.2 ft
Step-by-step explanation:
Given the equation for the Law of Cosines, we can rewrite the equation to solve for "c" directly:
So the length of c is approximately 4.2 ft
The answer is D, I know this because I got it right on the test.
When there is one object that is not defined by a number. Ex: a number times three is equal to four.
Would be written as: x(3)=4
Since "a number" is not a specific number, it is to be written as a variable.