Acircular dartboard has a radius of 2 meters and a red circle in the center. assume you hit the target at a random point. for what radius of the red center region does p(hitting red) = 0.6?
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Ответ:
1.549 m
Explanation:
Given:
The radius of the circular board, r = 2 m
The probability of hitting the red is given as 0.6
Now, this probability of hitting the red can be conclude as
0.6 = (Area of red)/ (Total area of the board)
Total area of the board = πr² = π × 2²
let the radius of the red area be R
thus, area of red circle, = πR²
on substituting the value of the area, we have
0.6 = (πR²)/ (π × 2²)
or
R² = 2.4
or
R = 1.549 m
Thus, the radius of the red circle is 1.549 m
Ответ:
41.6666667 m / s
Explanation:
Esa es la respuesta. Esto es en metros.