Question

у/x = 3/1
Find the ratio of
In the given figure, two circle touch each other internally; the ratio of
the shaded area to the area of unshaded.
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Answer 1

pi(x+y/2)^2-piy/2^2:piy^^2

16k^2-9k^2:9k^2

7k^2:9k^2

7:9