the surface area of hemisphere are in the ratio 25 ratio 49 find the ratio of their radii
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5:7. HOGAAA RATIOOOOOOOOOOOO
krishna424:
bahi full solve kar ke deka dai
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Hey !!!
Surface area of hemisphere = 2πr²
So...let that one hemisphere have R radius and another have R
Ratio of radius = surface area of r radius / surface area if R radius
=> 2πr²/2πR² = 25/49
=> r/R = √25/49
r/R = 5/7
r: R = 5 : 7 Ans
Hope it helps !!!
₹Rajukumar1111
Surface area of hemisphere = 2πr²
So...let that one hemisphere have R radius and another have R
Ratio of radius = surface area of r radius / surface area if R radius
=> 2πr²/2πR² = 25/49
=> r/R = √25/49
r/R = 5/7
r: R = 5 : 7 Ans
Hope it helps !!!
₹Rajukumar1111
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