a toy is in the form of cone of base radius 3.5 CM mounted on the hemisphere of the base diameter 7 cm if the total height of the toy is 15.5 cm find the total surface area of the toy
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thank you dear for asking the question
will send the answer now with pic
will send the answer now with pic
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assuming that , we break the toy in two parts as cone and hemisphere
let the height of cone be x
l^2 = r^2 + h^2
l = the whole root of 12.25 + ^2
radius of cone = 3.5 cm
total surface area of a cone = pie * r (r + l)
solve it and then find total surface area of hemisphere
sdevi16:
It can be solved in more simpler way.
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