Answer:

Step-by-step explanation:
If that is a square, then all sides are the same. Therefore, it's a
by
shape. We'll use Pythagorean Theorem to find the diagonal.

Since it's not a fraction, there is no denominator to rationalize. Let me know if you have any other questions!
Answer:
Rhombus
Step-by-step explanation:
- Parallelogram is a quadrilateral .
- It has both 2pairs parallel and congruent.
- Opposite sides are same
Answer:
5
Step-by-step explanation:
dont really understand why you answered your own question?
At least 3. Have a nice day! :)

Here we can simplify the product by multiply the square root 2 with square root 2 first.

=3*2
=6
So answer is 6