13^4=13*13*13*13=169*169=28561
In order to find the value for 'a', we can use the law of cosine, which is given by
From the given triangle, we have
On substituting these values in the above mentioned formula, we get
Thus, the length of a is 19.45
Second option is correct.
You should put this into a graphing calculator! They have an option to put the equation in and it shows you the table that goes with it!
The answer is B. because if you take 4.20 and divide it by 3.5 you get 1.20
Answer:
the first answer choice
Step-by-step explanation:
have a great day :D