1.Two cubes each of side 4cm are joined end to end.Find the surface area of the resulting cuboid(3)
2.The volume of hemisphere is 2425 1/2cm 3 .Find its curved surface area.
3.If the total surface area of a solid hemisphere is 462 sq cm , find its volume.
Answer the following questions with the required steps.If something fooling is done surely it will be reported.
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Answer:
After joining the cubes a cuboid will be formed of dimensions
4×8×4
Hence, Surface Area of Cuboid is =2(4×8)+2(8×4)+2(4×4)=160 cm
2
Step-by-step explanation:
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