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On the green in Example three the hole is 4.25 inches in diameter. Find the probability that your ball stops in the hole ( picture shown is of the hole 15 ft is the hole 75 ft is the green )

On the green in Example three the hole is 425 inches in diameter Find the probability that your ball stops in the hole picture shown is of the hole 15 ft is the class=

Respuesta :

we know that

To find out the probability divide the area of the hole by the total area

the area of a circle is equal to

A=pir^2

total area

D=75 ft

r=D/2

r=75/2=37.5 ft

A=pi(37.5^2)

A=1,406.25 pi ft^2

Find the area of the hole

D=15 ft

r=D/2

r=15/2=7.5 ft

pi(7.5^2)

A=56.25pi ft^2

Find the probability

P=56.25pi/1,406.25 pi

P=0.04

or

P=4%

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