Answer:
180 - 84 = z
Step-by-step explanation:
all angles in a triangle should add up to 180. If both angles add up to 84 (42 + 42) all theres left to do is to substract 84 from 180 to find z :)
b
c.Right
because of the 90 degrees it shows that it is 90 degrees
(5/2,5)
x=2
4-2=x
4-2=2
