Answer:
<h2>x = 15</h2>
Step-by-step explanation:
Since the triangle is a right angled triangle we can use Pythagoras theorem to find the missing side x
Using Pythagoras theorem we have
a² = b² + c²
where
a is the hypotenuse
b and c are the other two sides
So we have

We have the final answer as
<h3>x = 15</h3>
Hope this helps you