Answer:
6√2=z
Step-by-step explanation:
As we are given a right angle we simply can apply the formula a²+b²=c².
A = 3
B = z
C = 8+1 which we add to get 9
Now, we plug this into the equation
9²=z²+3²
81=z²+9
72=z²
√72=z
√2x2x2x3x3 (expanding 72)
6√2=z
