If radius and height of a cone are 14 cm and 48 cm, then what is its slant height?
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radius=14cm,height=0.48m=48cm
slantheight
2
=radius
2
+height
2
l
2
=14
2
+48
2
,l
2
=2500,l=50cm
radius=35 cm, curved surface area=4070=πrl
l=
π(35)
4070
=37cm
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