here's the answer for you
Answer:
n = 90 - 62
n = 28º
m = 180 - (62 + n + 27)
m = 180 - (62 + 28 + 27)
m = 180 - 117
m = 63º
Answer: A reasonable estimate of the minimum is 20.
I believe it would be 21 units . dont let extra line's confuse you just pay attention to the letters its asking for