In a right triangle, one of the angles measures 30 degrees. If the length of the side opposite the 30-degree angle is 4 units, what is the length of the hypotenuse of the triangle?

Use the properties of 30-60-90 triangles to find your answer. Remember the ratios of the lengths of the sides:

Hypotenuse = 2 * (length of side opposite 30 degrees)