### Home > GC > Chapter 1 > Lesson 1.3.3 > Problem 1-123

1-123.

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

cm? 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: