Question 1095795
area of parallelogram = (base)(height)

height = h


(h)(2h + 10) = 208
2h^2 + 10h - 208 = 0
h^2 + 5h - 104 = 0
(h - 8)(h + 13) = 0


h = 8, h = -13


Distance can't be negative, so the height is 8 cm and the base is 26 cm.