400
Your dog runs out the front door and you have to drive to get him. You Turn Right and drive 9 feet to the stop sign, then turn left and drive another 40 feet to find your dog.
If you could walk home in a diagonal, rather than driving back, how far would you walk ? (Forms a Right Triangle)
What is 41 feet
9^2 + 40^2 = C ^2
81 + 1600 = C^2
Square root of 1681= C
41 feet = C