What is the shape formed by rotating a right triangle about its height?
A) A sphere B) A cylinder C) A cone D) A cuboid
Answers
Answered by
3
If we rotate a right circular cylinder about its height, it forms a cylinder.
So option (B) is the right one.
Formulae of cylinder:
Volume = πr²h
Curved surface area = 2πrh
Total surface area = 2πr (h + r)
Perimeter = 2πr
So option (B) is the right one.
Formulae of cylinder:
Volume = πr²h
Curved surface area = 2πrh
Total surface area = 2πr (h + r)
Perimeter = 2πr
Answered by
0
cylinder so options b is right you'll get the formula of cylinder only
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