The answer should be n=-8
The interior angles of a triangle add up to 180 degrees, meaning we can make an equation.



Hope this helps.
頑張って!
Plug in your coefficients
Answer:
The hypothesis is: "The last digit of n is zero."
The conclusion is: "n is divisible by five."
The converse is: "If n is divisible by five, the the last digit of n is zero."
The contrapositive is: "If n is not divisble by five, then n does not end in zero."
Step-by-step explanation:
I just took the test :)