The ratio of radii o two circle is 4:5 find the ratio of their areas
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let the ratio be in x
so 4x:5x = r1 : r2
area of circle 1 = 2pie 4x sq
area of circle 2= 2 pie 5x sq
2pie 4x sq / 2 pie 5x sq
on solving 16 : 25 will come
so 4x:5x = r1 : r2
area of circle 1 = 2pie 4x sq
area of circle 2= 2 pie 5x sq
2pie 4x sq / 2 pie 5x sq
on solving 16 : 25 will come
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