Answer:
x = 10
Explanation:
We know that it's a right triangle and it's two sides, which are 6 and 8
So we can find the third side, the Hypotenuse or x, using the Pythagoras Theorem
6² + 8² = Hypotenuse ²
36 + 64 = Hypotenuse²
100 = Hypotenuse²
Hypotenuse = root100
Hypotenuse = 10
Therefore x = 10