Video Transcript
Is this a sphere?
We can see a picture of a red 3D
shape here. And we need to find out whether
this shape is a sphere or not. To help us, let’s remind ourselves
what makes a sphere. Firstly, we know that spheres have
a curved surface all around. This shape has a curved surface all
around. Maybe it’s a sphere then.
Something else we know about
spheres, though, is that they’re ball-shaped. Does the red shape look like a
ball? Well, no. It looks like a ball that’s been
squashed. Although our red shape does have a
curved surface all around, it’s not ball-shaped. And so, we can say no, it’s not a
sphere.
