Triangle Area = .5 * base * height
48 = .5 * (x +4) * x
48 = (.5x + 2) * x
48 = .5x^2 + 2x
.5x^2 + 2x -48 = 0
x = 8
base = 12
99.7%
This is because the likelihood of a point being within 2 SDs of the mean is 99.7%.
32 is closer to 33 than it is to 40
Answer:
6in
it would be 6inches 2sides or 12 an one be 6
