Question

Please help me with this....

Answer 1

`3√(13)`

Explanation:

Using the Theorem of the side of a triangle:

`x^2 = 4 * (4 + 9) = 42\\x = √(42)`

And using the Height Theorem:

y =
`√(4 \cdot 9)  = √(36) = 6`

And by the Pythagorean Therorem:

z =
`√(6^2 + 9^2) = √(117) = 3√(13)`