7. Which of the following is true in the condition of a parallelogram, "a diagonal divides a parallelogram into two congruent triangles"?
a. In quadrilateral JACK, AJKA = ACAK. Therefore, JACK is a parallelogram.

b. In quadrilateral JESZ, ZS and LE = LZ. Therefore, JESZ is a parallelogram

C. In quadrilateral EDNA, ED || AN and EA || DN, ED = AN and EA = DN. Therefore, EDNA is a parallelogram.

d. In quadrilateral ERIC, m_ E+ m2 R = 180°, m2 R+ m2 N = 180°, m2 N + m2 -- 180°, mLE+ m2 C = 180°. Therefore, ERIC is a parallelogram.

pasagot po ng matino plss..

(magkakabad luck ng 50 yrs di sumagot ng matino.)​