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r-ruslan [8.4K]
3 years ago
15

-50 Points-

Mathematics
2 answers:
katrin2010 [14]3 years ago
8 0

Answer:

0.300   30%

Step-by-step explanation:

Area circle      4^*pi =50.272

Area pentagon =area of the sum of 5 triangles

area of 1 triangle

(b*h)/2=

4.7* 3.2 divided into 2  =7.5

7.5*5 =37.5

subtract the area of the pentagon from the area of the circle:

50.272-37.5= 12.772

Divide the area remaining of the circle into the area of the whole circle to kow the probability:

12.772/50.272=0.254  (rounded to 0.300)

ludmilkaskok [199]3 years ago
8 0

Answer: .25

Step-by-step explanation: the problem specifically says that you have to round to the nearest hundredth, not the nearest tenth. The equation of 12.772/50.272 = .254057924

Rounding this to the nearest hundredth results in the answer .25, not .30

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