Question

Find the value of z.

Answer 1

6√2=z

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