A toy is in the form of a cone mounted on a hemisphere of radius 3.5 cm.The total height of the toy is 15.5 cm.find the total surface area(use π = 22/7
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the toy which in the form is balloon
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from question height of toy is 15.5 therefore height of cone is 15.5-3.5=12.
now total surface are of toy is equalto 1/3 π rl+2/3 π r*r
on solving we get 69.67cm square
is it correct
now total surface are of toy is equalto 1/3 π rl+2/3 π r*r
on solving we get 69.67cm square
is it correct
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