Question

A 10-foot ladder is leaning against a wall. The bottom of the ladder is 4 feet from the wall as shown in the picture.

Which of the following is the approximate distance from the top ladder base of the wall.

A) 6ft
B) 9ft
C) 11ft
D) 14ft

Answer 1

I believe it is 6ft✨

Answer 2

9ft. (B)

Explanation:

Pythagoras theorem( a²+ b²= c²)

=a²+4²=10²

a²+16=100

a²=100-16

a²=84

a=√84

=9.1

approx. =9