Write a two-Col Given: ABCD is an isosceles trapezoid with AD II BC; DE = DC A D Prove: ABED is a parallelogram. B C E If BE = x + 1 and DG = 5x - 9, then CF = (numerical answer) B E C D G ANSWER Write a two-column proof. G Given: KH bisects L GKJ. 10 11 H Prove: L9 = L 10 9 K 12 Proof: Given: LB is a comp, of LA L. C is a supp. of LB. LD is a supp. of LC. LE is a comp. of LD. LF is a comp. of LE L G is a supp. of / F. Then LG = ?