Posted by Randy on .
Darla is buildig a new desk. To make sure she made a square corner, she measures 3ft. from the corner along one edge and 4ft. from the corner along the other edge. How long should the diagonal be between those two points if the corner is a right angle?
round to nearest thousand.

algebra 
Ms. Sue,
a^2 + b^2 = c^2
3^2 + 4^2 = c^2
9 + 16 = c^2
5 = c