Answer:
Cone
Step-by-step explanation:
Rotation means the circular moment of an object about some axis or center.
In the given figure, the shape is rotated along the dashed line.
The size of the object remains same after rotation.
After rotating about the dashed line, we observe that the object formed is three- dimensional and is in the shape of a cone.
I think that the answer is c but I'm not sure don't take my word for it if answer is wrong please don't be mad
A = 75
B = not sure
C = 156
So the answer is A. Hope it helps :)
9 or -9 because if -9 is squared the negative cancels
Downloaded Photomath it’s going to help you a lot