Question

The height of a cone is 16 cm and it's base radius is 12 cm. Find the curved surface area and the total surface area of the cone. (π = 3.14)​

Answer 1

Answer:

1/3pie r²h

1/3×3.14×12²×16

768×3.14=

241152

Answer 2

Answer:

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Step-by-step explanation:

Answer

R.E.F image

OA=16cm,AB=l

l=

16

2

+12

2

=

256+144

l=20cm

curved surface Area,

C.S.A=πrl=3.14×12×20=753.6cm

2

Total surface Area,

T.S.A=πr(r+l)=3.14×12[12+20]=1205.76cm

2