ABCD is a rectangle. Given that the measure of BCE = 21 what is the measure of DCE. D is on the left bottom of the rectangle and A is on the left top. ( could show them because I had to crop it. )​

ABCD is a rectangle Given that the measure of BCE 21 what is the measure of DCE D is on the left bottom of the rectangle and A is on the left top could show the class=