9514 1404 393
Answer:
10
Step-by-step explanation:
Corresponding angles of congruent triangles are congruent.
angle B = angle E
3v +4 = 8v -6
10 = 5v
v = 2
Then the measure of angle B is
3v +4 = 3(2) +4 = 10 . . . measure of ∠B
I hope this helps and good luck
