Answer:

Step-by-step explanation:
We are given a triangle
whose sides are
a=12
b=8
c=13
Since, c is largest among them
So, angle C must be largest angle
we can find angle C
we can use law of cosine formula

now, we can plug values


now, we can find angle
we get

sheesh these are easy its 4
In order to help explain how you came to your answer. It also helps when marking or reviewing because it's easier to find any mistakes
Answer:
The number 2
Step-by-step explanation: