Need help!! plz answer this step by step...
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Radius=150cm!
Height=360cm!
So Length=√(360²+150²)
=√(129600+22500)
=390cm!
So CSA of Cone=πrL
=π150*390
=π58500
but CSA of sphere=4πr²
so4πr²=58500π
So r²=14625
r= 15√65 Ans!
Height=360cm!
So Length=√(360²+150²)
=√(129600+22500)
=390cm!
So CSA of Cone=πrL
=π150*390
=π58500
but CSA of sphere=4πr²
so4πr²=58500π
So r²=14625
r= 15√65 Ans!
mahakverma18:
sorry but this is wrong...the answer which is given in my answer sheet is 120.94 cm square(approximate)
Ahmmm! 15√65=120.94 cm! because √65=8.06 . So 15*8.06=120.94 Approx.... Both answers are correct.. 15√65=120.94 !
Yeah!!
BTW thnxx a lot...
Welcome Mam!
plz don't be formal...
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