Ans: (a) Base radius , height (b) (c) No
- Let
and be the base radius and the height of . According to the Figure 4(a), we haveNote that the arc length is equal to the base circumference of
. Therefore, we haveRefer to the above figure, by applying the Pythagoras Theorem to
, we haveTherefore, the base radius and the height of
are and . - The volume of
- Let
be the base radius of . Then, we haveHence, we have
Also, we have
Since the above two ratios are not equal, then
and are not similar.