11. Opposite angles of a

parallelogram are A. complementary B. supplementary C. adjacent D. congruent

12. A quadrilateral with exactly one pair of parallel sides is a a. square b. rectangle c. trapezoid d. rhombus 13. Into how many congruent triangles is a parallelogram divided by one of its diagonals? a.1 b. 2 C. 3 d. 4 14. Base angles of an isosceles trapezoid are a. complementary b. supplementary C. congruent d. adjacent

15. In a kite the area is equal to a. half the sum of the diagonals. b. half the product of the diagonals c. twice the sum of the diagonals d. twice the product of the diagonals

Pasagot thank you​