Question

A ladder is leaning against the side of a
house. If the ladder is 12 feet tall and it is
reaching 8 feet vertically on the house,
how far away from the house is the base
of the ladder (in feet)?

Answer 1

Answer: 8.94 ft

Step-by-step explanation:

The ladder leaning against the perpendicular wall forms a right angled triangle. As per Pythagorus theorem,

a^2 + b^2 = c^2

8^2 + b^2 = 12^2

64 + b^2 = 144

b^2 = 144 - 64 = √80= 8.94 feet