Answer:
Distance is 9.21954445729 (9) and the midpoint is (-2, 1.5)
Explanation:
Pythagorean theorem
Height = 7 and Length = 6
7^2 + 6^2 = c^2
49 + 36 = c^2
85 = c^2
c = 9.21954445729
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Botton point is (1, -2)
x: 1 - 3 = -2
y: -2 + 3.5 = 1.5
Midpoint = (-2, 1.5)