Answer::
A dartboard consists of a circle inscribed in a square.
The area of the circle = 25π square units.
The area of the square = 100 square units.
It is also given that:
Megan randomly throws a dart at the square.
Assuming the dart lands within the square.
We have to find the probability that the dart lands within the dartboard.
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Use

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Therefore, the probability that the dart lands within the dartboard to the nearest tenth of a percent is, 78.5 %