Question

Find the missing side of the triangle

Answer 1

4.47

Explanation:

x²= 2² + 4²

x² = 4 + 16

x²= 20

x = √20

x= 4.47

Answer 2

x = 2
`√(5)`

Explanation:

Pytago:

`2^2 + 4^2 = x^2\\x = √(2^2 + 4^2) \\x = 2√(5)`