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Answered

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A point in the figure is selected at random. Find the probability that the point will be in the part that is NOT shaded.

A. about 25%
B. about 20%
C. about 10%
D. about 5%

A Point In The Figure Is Selected At Random Find The Probability That The Point Will Be In The Part That Is NOT Shaded A About 25 B About 20 C About 10 D About class=

Sagot :

efelizabeth7

Answer:

About 20%

Step-by-step explanation:

The probability of a point on the un-shaded region will be given by;

Area of the shaded region/total area  

Considering that the circles are of the same size, then the length of the square is 2d

Area of the square = 4d²

Area of the shaded = (4d² -4π(d/2)²

= 4d² -πd², but π = 22/7

= 6/7d²

Probability = (6/7d² ÷ 4d²) × 100%

= (6/28 d²) × 100%

= 21.42 %

So your answer is B. 20%

Don't thank me this was easy.

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