Help pls this assignment has to be turned in by today

Help Pls This Assignment Has To Be Turned In By Today class=

Answer :

Answer:

v = 21

Step-by-step explanation:

the sum of the interior angles of a triangle is 180 degrees

add all 3 angle measures and set equal to 180:  

4v + 2v + 54 = 180

6v = 126

v = 21