Answer:
a.17.5
Step-by-step explanation:
C.) Are the same length
<u>How you know-</u>
No matter how long the rectangle is the diagonals always will measure the same length. Think about two sides of a square, they have to equal the same length because if they were not the same then the shape wouldn't be a square.
The answer would be one of the following in the photo below....if not do you have a picture you could show me of the possible answers?