Answer:
About 73 degrees
Step-by-step explanation:
By the law of cosines:

Hope this helps!
Problem
Is 4.55 and 1.23456 a rational number
Solution
4.55 can be written as:
455/100 so then it could be a rational number
For the second number we have: 1.23456
And we can write this number as:
123456/100000
So then is also ratioanl
You could rewrite

as

and be tempted to cancel out the factors of

. But this cancellation is only valid when

.
When

, you end up with the indeterminate form

, which is why

is not a zero.
Answer: no
Step-by-step explanation:
No it is not evenly divided ( 6.8888)
720 hour you do 24hour times 30day