Question

ABCD is a rectangle. Find the missing information

Answer 1

x=71

Explanation:

You can use algebra to solve for x

First, knowing the properties of a rectangle, all angles should equal 90

< A = 90-x

<AEC = 180-38 = 142

<C = 90-x

All angles of a triangle add up to 180

90-x+142+90-x=180

-2x+322=180

-2x=-142

x=71