1.) (2, 4) and (10, 8)
Distance: 4√5
Midpoint: (6, 6)
2.) (3, 8) and (7, 3)
Distance: √41
Midpoint: (5, 11/2)
3.) (4, 9) and (9, 5)
Distance: √41
Midpoint: (13/2, 7)
Answer:
A straight angle is an angle of 180 degrees, so it looks like follows
4(4)+ 2(-5) = 6
16+ (-10) = 6
19 is the answer for this question