SOLUTION: There is a storm coming so Andrew would like to secure his door by putting a diagonal across it. The diagonal will be 1 foot longer on both ends. He knows the door is 3 feet by 7 f

Algebra ->  Pythagorean-theorem -> SOLUTION: There is a storm coming so Andrew would like to secure his door by putting a diagonal across it. The diagonal will be 1 foot longer on both ends. He knows the door is 3 feet by 7 f      Log On


   

Question 592194: There is a storm coming so Andrew would like to secure his door by putting a diagonal across it. The diagonal will be 1 foot longer on both ends. He knows the door is 3 feet by 7 feet. How long should the diagonal be?
Answer by vi123(1) About Me  (Show Source):
You can put this solution on YOUR website!
the length of the diagnoial will be 4 feet long