Question

find x. round your answer to the nearest tenth if necessary.

Explanation:

Step1: Apply Pythagorean theorem

$$x^{2}=9^{2}+12^{2}$$

Step2: Calculate squares

$$x^{2}=81 + 144$$
$$x^{2}=225$$

Step3: Solve for \(x\)

$$x=\sqrt{225}$$
$$x = 15$$

Answer:

\(15\)