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Anum96
Dark Destination
Idk why i can't reply on messages! .-.
That question is so easy btw.
That question is so easy btw.
Anum96
Noh! -_-
Dark Destination
Are the radii given?
Calculate the areas of semi circle, and shaded region using 'r' as radius... and probability of shaded is 'shaded/total'.
Calculate the areas of semi circle, and shaded region using 'r' as radius... and probability of shaded is 'shaded/total'.
Dark Destination
Is that a SAT question?
Anum96
Yuup. And I did that. :/
Dark Destination
The radius of semi-circle is equal to diameter of small circle.
R = radius of semi-circle
R/2=radius of small circle
Area of semi-circle: 1/2 pi(R)^2
Area of small circle: pi(R/2)^2
Area of shaded: 1/2 pi(R)^2 - pi(R/2)^2 --> 1/4 pi R^2
Probability = shaded/semi-circle = 1/2 ?
R = radius of semi-circle
R/2=radius of small circle
Area of semi-circle: 1/2 pi(R)^2
Area of small circle: pi(R/2)^2
Area of shaded: 1/2 pi(R)^2 - pi(R/2)^2 --> 1/4 pi R^2
Probability = shaded/semi-circle = 1/2 ?
Dark Destination
Did that without figure, idk if its right.. lol
Anum96
Ahh *facepalm*
Genius, Thank you! ^^
Genius, Thank you! ^^