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biancazeelie
Your best answer is....

B. 

As you can see, the right angle symbol is shown , for one right angle.
and the lines, meaning they are of the same length. 

Good luck :)
This is very easy. one angle measures 90. It is a sharp edge or aka a right angle. 2
sides are the same length indicated by the lines. Try with a ruler to see for yourself!

It's b

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