Question

Surface area of a cuboid…………​

Answer 1

17. Surface area of cuboid 2{(length×breadth)+(breadth×height)+(height×length)}

18. Curved surface area of a sphere = 616cm²

2πrh = 616

=> πrh = 616/2

=> rh = 88×7/22

=> r = 28/h (Ans)

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Answer 2

Answer:

hyy here is the answer to your questions