Dalla was trapped on the roof of a 24ft building daniela and her posse got a padder to rescue him. If she put the 7ft from the building how long was the ladder?

Question

 I need to the the C square protion

 

Answer 1

_______

|           |\

|      24 |  \ x

|           |   \

|           |    \    24² + 7² = x²

               7