Name the side of a right triangle opposite the right angle.

We will use the definition of sides of a right triangle.

Answer: Hypotenuse is the side of a right triangle opposite the right angle.

The hypotenuse is the longest side in a right-angled triangle.

Explanation:

In a right-angled triangle, the longest side or the side opposite to the right angle is termed as the hypotenuse of the triangle.

Therefore, the side of a right triangle opposite the right angle is called the hypotenuse.