Suppose you drop a die at random on the rectangular region shown in the figure. What is the probability that it will land inside the circle with diameter 1 m?
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Suppose you drop a die at random on the rectangular region shown in figure.What is the probability that it will land inside the circle with diameter 1m?
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Event : Chances of die will land under circle.
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AnswEr:
- Probability is .
Need To Find:
- We use area to find probability = ?
ExPlanation:
Here:
- Diameter of circle = 1m
- Radius of circle = 1/2 m
Now,
- Area of rectangle = Length × Breadth
Putting the values according to the given formula:
➠ Area of rectangle = 3 × 2
➠ Area of rectangle = 6 m²
- Hence, the area of rectangle is 6 m².
And,
- Area of circle = πr²
Putting the values according to the given formula:
➠ Area of circle =
➠ Area of circle =
- Hence, the area of circle is .
Now,
- P (die will land inside circle)
➠
➠
➠
➠
- So, Probability is .
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