SOLUTION: A certain set contains three triangles: scalene, isosceles, and equilateral. If a triangle is selected at random, what is the probability that at least one of its medians is also a

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Question 253325: A certain set contains three triangles: scalene, isosceles, and equilateral. If a triangle is selected at random, what is the probability that at least one of its medians is also an altitude?
(1) 0 (3) 2/3
(2) 9 (4) 1

Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
Median: A line segment drawn from one vertex to the midpoint of the opposite side.
2/3 Scalene is the exception.
.
Ed