Question

Find the missing side of the triangle

Answer 1

Answer:

x = 2$\sqrt{5}$

Step-by-step explanation:

Pytago:

$2^2 + 4^2 = x^2\\x = \sqrt{2^2 + 4^2} \\x = 2\sqrt{5}$

Answer 2

Answer:

4.47

Step-by-step explanation:

x²= 2² + 4²

x² = 4 + 16

x²= 20

x = √20

x= 4.47