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A solid cone is joined to a solid hemisphere
to make the solid T, as shown.
The diameter of the base of the cone is 9 cm.
The diameter of the hemisphere is 9 cm.
The total volume of T is 140π cm³
The total height of T is y cm.
a) Calculate the value of y.
ycm
Vol of cone=
= Arh
9 cm
Give your answer correct to 3 significant figures.
Vol of sphere =
of the base of the cone and the diameter of

Sagot :

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