Question

please answer this question​

Answer 1

$ab = \ \ \sqrt{ {(5 - 3)}^{2} + {(1 - 1)}^{2} } \\ = \ \sqrt{ {(2)}^{2} + 0} \\ = \sqrt{4 + 0} \\ = \sqrt{4} \\ = 2$

Since it is a parallelogram

we know that opposite sides are equal.

so

CD=2

Answer 2

Answer:

please check the attached file