Question

Find the probability that a randomly

selected point within the circle falls in the
red-shaded triangle.
12
12
P = [?]
Enter as a decimal rounded to the nearest hundredth.
Enter

Answer 1

Area of triangle = (1/2)(12²) = (1/2)(144) = 72

Area of circle = π(12²) = 144π

P(point falls in triangle) = 72/(144π)

= 1/(2π)

= about .16

= about 15.92%