A toy is in the form of A cone mounted on the semisphere.the diameter of the base of the cone is 12cm and it's height is 8cm Find the surface area of the toy in sq. cm
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Answer:
diameter=12cm
radius=12÷2
r=6
C.S.A OF A CONE =πrl
l=?
l=√R×R+√H×H
=√36+√64(6×6=36) (8×8=64)
=√100
=10
CSA of cone=πrl
=3.14×6×10 (π=3.14)
=188.4
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