Given the triangle below, what is the length of the third side, rounded to the nearest whole number?

the length of third side is 16.

Step-by-step explanation:

We can use Law of Cosine to find the third side of the triangle.

Law of Cosine is given by

Substituting the known values, we get

On simplifying, we get

When rounded to nearest whole number, the length of third side is 16.

b

step-by-step explanation:

4 and 5)16.97 or 12√2

6)15.59 or 9√3

7)y = 15.59 or 9√3     x =27

8)17.80