Question

John puts the base of a 13 foot ladder 4 feet from the wall of his house. How far up the wall does the ladder reach? Round your answer to two decimal places.

Answer 1

12.04 feet

Explanation:

Applying Pythagoras theorem,

`a^(2)= b^(2) + c^(2)`

`13^(2) =4^(2) + c^(2)`

`c^(2) = 145`

c=
`√(145)`

c=12.04