Anwer pls pls pls the correct​

In the rectangle below ac=30 units what is de

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. consider the given table.