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Copy of 2D Rotations Worksheet

Rotating a rectangle around an axis.

In the applet above, click on point C and rotate the rectangle around side AB in 3D.

Rotating a triangle around an axis

Take point A and use it to rotate the triangle around the axis.

Rotating Semi-Circles around an axis

Take point B and rotate the circle around the CD axis.

What 3D shape do you get when you rotate a semi-circle around the line CD?