The four triangles below are placed in a bag. If you reach into the bag without looking and pull out one triangle at random, what is the probability that: Homework Help ✎
the triangle is scalene?
the triangle is isosceles?
at least one side of the triangle is
For part (a), remember that a scalene triangle has no equal sides.
For part (b), remember that an isosceles triangle has two equal sides.
For part (c) use the formula: