Question

Question
A volleyball net post needs a cable to support it. The hook to attach the cable is 4 ft. above the court surface, and the hook in the floor is 3 ft. from the base of the post. How long should the cable be?(1 point)
Responses

5 ft.
5 ft.

4 ft.
4 ft.

2.65 ft.
2.65 ft.

25 ft.
25 ft.

Answer 1

5 ft.

Use the Pythagorean theorem: the cable is the hypotenuse of a right triangle with legs 3 ft (horizontal) and 4 ft (vertical), so length = sqrt(3^2 + 4^2) = 5 ft.