Answer:
m=3
Step-by-step explanation:
-1
Sn = n/2[2a + (n-1)d]
n=11
a=2
d=3
Sn= 11/2[2(2) + (11-1)3]
Sn= 11/2(34)
Sn = 11x17
=187.
We'd need to know the coordinates of the line segment.