Mathematics: I can use a little help please

I can use a little help please - id11381954, markkessler7149

Ответ:

heysorryguys

23.02.2021

The missing side's length is 18.2

Step-by-step explanation: To find a missing side in a right triangle, you use the Pythagorean theorem to solve it. According to the Pythagorean Theorem, $12.6^{2}$ + 13.1^2 = $x^{2}$ , so 158.76 + 171.61 = $x^{2}$ ⇒ 330.37 = $x^{2}$ ⇒ x ≈ 18.2.