Find the volumes of the following solids. Take π=3.14 and give your answers correct to 3 s.f .
(b) A half cylinder of length 16 cm and radius 4 cm .
Please give me the answer .
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Answer:
Q.2. A vessel is in the form of a hollow hemisphere mounted by a hollow cylinder. The diameter of the hemisphere is 14 cm and the total height of the vessel is 13 cm. Find the inner surface area of the vessel.
Q.2. A vessel is in the form of a hollow hemisphere mounted by a hollow cylinder. The diameter of the hemisphere is 14 cm and the total height of the vessel is 13 cm. Find the inner surface area of the vessel.Sol. For cylindrical part:
Q.2. A vessel is in the form of a hollow hemisphere mounted by a hollow cylinder. The diameter of the hemisphere is 14 cm and the total height of the vessel is 13 cm. Find the inner surface area of the vessel.Sol. For cylindrical part: Radius (r) = 7 cm
Q.2. A vessel is in the form of a hollow hemisphere mounted by a hollow cylinder. The diameter of the hemisphere is 14 cm and the total height of the vessel is 13 cm. Find the inner surface area of the vessel.Sol. For cylindrical part: Radius (r) = 7 cm Height (h) = 6 cm
Q.2. A vessel is in the form of a hollow hemisphere mounted by a hollow cylinder. The diameter of the hemisphere is 14 cm and the total height of the vessel is 13 cm. Find the inner surface area of the vessel.Sol. For cylindrical part: Radius (r) = 7 cm Height (h) = 6 cm ∴ Curved surface area
Q.2. A vessel is in the form of a hollow hemisphere mounted by a hollow cylinder. The diameter of the hemisphere is 14 cm and the total height of the vessel is 13 cm. Find the inner surface area of the vessel.Sol. For cylindrical part: Radius (r) = 7 cm Height (h) = 6 cm ∴ Curved surface area = 2πrh
Q.2. A vessel is in the form of a hollow hemisphere mounted by a hollow cylinder. The diameter of the hemisphere is 14 cm and the total height of the vessel is 13 cm. Find the inner surface area of the vessel.Sol. For cylindrical part: Radius (r) = 7 cm Height (h) = 6 cm ∴ Curved surface area = 2πrh
Q.2. A vessel is in the form of a hollow hemisphere mounted by a hollow cylinder. The diameter of the hemisphere is 14 cm and the total height of the vessel is 13 cm. Find the inner surface area of the vessel.Sol. For cylindrical part: Radius (r) = 7 cm Height (h) = 6 cm ∴ Curved surface area = 2πrh For hemispherical part:
Q.2. A vessel is in the form of a hollow hemisphere mounted by a hollow cylinder. The diameter of the hemisphere is 14 cm and the total height of the vessel is 13 cm. Find the inner surface area of the vessel.Sol. For cylindrical part: Radius (r) = 7 cm Height (h) = 6 cm ∴ Curved surface area = 2πrh For hemispherical part: Radius (r) = 7 cm
Q.2. A vessel is in the form of a hollow hemisphere mounted by a hollow cylinder. The diameter of the hemisphere is 14 cm and the total height of the vessel is 13 cm. Find the inner surface area of the vessel.Sol. For cylindrical part: Radius (r) = 7 cm Height (h) = 6 cm ∴ Curved surface area = 2πrh For hemispherical part: Radius (r) = 7 cm ∴ Surface area = 2πr2
Q.2. A vessel is in the form of a hollow hemisphere mounted by a hollow cylinder. The diameter of the hemisphere is 14 cm and the total height of the vessel is 13 cm. Find the inner surface area of the vessel.Sol. For cylindrical part: Radius (r) = 7 cm Height (h) = 6 cm ∴ Curved surface area = 2πrh For hemispherical part: Radius (r) = 7 cm ∴ Surface area = 2πr2
Q.2. A vessel is in the form of a hollow hemisphere mounted by a hollow cylinder. The diameter of the hemisphere is 14 cm and the total height of the vessel is 13 cm. Find the inner surface area of the vessel.Sol. For cylindrical part: Radius (r) = 7 cm Height (h) = 6 cm ∴ Curved surface area = 2πrh For hemispherical part: Radius (r) = 7 cm ∴ Surface area = 2πr2 ∴ Total surface area
Q.2. A vessel is in the form of a hollow hemisphere mounted by a hollow cylinder. The diameter of the hemisphere is 14 cm and the total height of the vessel is 13 cm. Find the inner surface area of the vessel.Sol. For cylindrical part: Radius (r) = 7 cm Height (h) = 6 cm ∴ Curved surface area = 2πrh For hemispherical part: Radius (r) = 7 cm ∴ Surface area = 2πr2 ∴ Total surface area = (264 + 308) cm2 = 572 cm2.