1 Answer

Zayin Krige · Answer 1 · 2023-11-24T10:58:21+0000

Let us begin by labelling the sides of the triangle

We can solve for x by applying Pythagoras theorem

$hypothenuse^2\text{ = opposite}^2\text{ + adjacent}^2$

Substituting the given values:

$\begin{gathered} x^2\text{ = 9}^2\text{ + 12}^2 \\ x^2\text{ = 225} \\ x\text{ = }√(225) \\ x\text{ = 15} \end{gathered}$

Answer:

x = 15

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