Question

Ellus
What is the measure of z?
4
16
z
X
Z =
✓ [?]

Answer 1

`z=√(80)`

Explanation:

By geometric mean property:

`y= \sqrt {16* 4}`

`y= \sqrt {64}`

`y= 8`

By Pythagoras Theorem:

`z=√(4^2 +8^2)`

`z=√(16 + 64)`

`z=√(80)`