Its not a full questions...... send the full question
Answer:
w=59 y=59 z=53 x=121 v=121
Step-by-step explanation:
inside a triangle the angles should add up to 180 so you can easily do 180-31 -90 to find w then with that you can find the rest and also w is equal to y cause theyre vertical angles
Answer:
c
Step-by-step explanation:
the formula is
When we plug that in we get 
Hope this helps!