Home > INT3 > Chapter 8 > Lesson 8.3.3 > Problem8-136

8-136.
1. In one of the games at the County Fair, people pay to shoot a paint pistol at the target shown at right. The center has a radius of one inch. Each concentric circle has a radius one inch larger than the preceding circle. Assuming the paint pellet hits the target randomly, what is the probability it hits: Homework Help ✎

1. The 50 point ring?

2. The 20 point ring?

What is the area of the 50 point ring?
What is the area of the whole target?

Calculate the area of the circle around the 20 point ring.
Then subtract the area of the 50 point ring.

$\frac{3}{16}$