The probability that a randomly selected point within the circle falls in the red shaded area is 15.9%
How to determine the probability?
The radius is given s:
r = 4 cm
So, the area of the triangle is
A1 = 0.5r^2
Similarly, the area of the circle is
A2 = πr^2
The probability that a randomly selected point within the circle falls in the red shaded area is
P = A1/A2
This gives
P = 0.5r^2/πr^2
Evaluate
P = 15.9%
Hence, the probability that a randomly selected point within the circle falls in the red shaded area is 15.9%
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