1(viii)
A right angle triangle shaped piece of hard board is rotated completely about its hypotenuse, as shown in the diagram. The solid so formed is always :
(i) a single cone
(ii) a double cone
Which of the statement is valid ?
- (a)only (i)
- (b)only (ii)
- (c)both (i) and (ii)
- (d)neither (i) nor (ii)
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On rotating the right angle triangle figure formed is :
Hence, Option 2 is the correct option.