Find
whose
the Corred
son face area of a
night circulan cone
base radius
and height ne spectively
ane som and
cm Cose II = 3.14) .
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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
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