Question

Which 2-dimensional shape can be rotated about the y-axis to create a cylinder which has a smaller diameter than height?

Answer 1

@johnz please help!

Answer 2

rectangle that has its height bigger than its base

Answer 3

So its a rectangle??

Answer 4

yes

Answer 5

Can you help me with another?

Answer 6

1. diagonal cross section of a cylinder
2. cross section parallel to the base of a cone
3. shape created when a semi-circle is rotated about the y-axis
4. diagonal cross section through the widest part of a sphere
5. perpendicular cross section of a cone


a. sphere
b. triangle
c. great circle
d. ellipse
e. circle

it's matching

Answer 7

@johnz