Respuesta :

Answer: the key idea of the transformation called a rotation is the moving of the plane a certain angle around a fixed point.

Step-by-step explanation hope this helps

Answer:

For the first blank its either (Angle, or distance)  

And the second blank it's either (Point, or line)

Step-by-step explanation:

you rotate about an axis and an axis means a line

so

The key idea of the transformation called a rotation is moving a plane a specified angle about a fixed line

:)