Suppose that two parallelograms are similar. Then suppose that one of them is rotated, and after the rotation the parallelograms are still similar. Which of the following statements must be true?

Question

silvernight269 · Answer

What are the choices?

korryn18 · Answer

The parallelogram must have been rotated by 90°.
The parallelogram must have been rotated by 180°.
The parallelogram must have been rotated by 360°.
The parallelogram could have been rotated by any number of degrees.

silvernight269 · Answer

Well, does it say how many degrees the parallelogram was rotated?

korryn18 · Answer

90°. The parallelogram must have been rotated by 180°. The parallelogram must have been rotated by 360°.

silvernight269 · Answer

Then suppose that one of them is rotated, and after the rotation the parallelograms are still similar. Thats the diresct quote that u wrote

korryn18 · Answer

thanks

silvernight269 · Answer

Its not 90. Nor 180, nor 360