Question

(6x+40)º

20. Find the value of x for which AB || CD.
O A. 20
O B. 40
O c. 8
O D. 10

Answer 1

We know that angles B and D/A and C are congruent, this is because all opposite angles within a parallelogram are congruent.

(6x+40) + (x) = 180

7x + 40 = 180

7x = 140

x = 20

The Value of X is 20.