The curved surface area of a cone is 4070cm2.Its diameter is 70cm.Find its slant height.
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Answer:
CSA of cone is 4070cm2 but we know CSA of come formula is pierl.
Diameter of cone=70cm so radius is 70/2.
According to problem
Pierl=4070
Pie=we know that 22/7
So
22/7*70/2*l=4070
110*l=4070
l=4070/110=37cm
I hope this helps you If there are any mistakes please comment them I will try to correct them pie means mathematical pie which has value 22/7or 3.14
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