Question

A 10-foot ladder is leaning against the wall. The bottom of the ladder is 4 feet from the base of the wall. Which of the following is closest to the distance from the top of the ladder to the base of the wall?

Answer 1

anything close to 9 feet

Explanation:

b²=c²-a²

b=√c²-a²

b = √10²-4²

b=√100-16

b=√84 ≈ 9.12