The measure of angle DCF is ... degrees?

Given that abcd is a parallelogram solve for m

What is the perimeter, p, of a rectangle that has a length of x + 8 and a width of y − 1? p = 2x + 2y + 18 p = 2x + 2y + 14 p = x + y − 9 p = x + y + 7

20 da is equal to a. 2,000 cm. b. 2 m. c. 20,000 cm. d. 20,000 mm