SOLUTION: A rectangle has vertices (2,5), (8,5), (2,-3) and (8,-3). The length of a diagonal is:

Algebra ->  Length-and-distance -> SOLUTION: A rectangle has vertices (2,5), (8,5), (2,-3) and (8,-3). The length of a diagonal is:      Log On


   

Question 313337: A rectangle has vertices (2,5), (8,5), (2,-3) and (8,-3). The length of a diagonal is:
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Calculate the distance from (2,5) to (8,-3) or the distance from (2,-3) to (8,5).
D%5E2=%28x2-x1%29%5E2%2B%28y2-y1%29%5E2
D%5E2=%288-2%29%5E2%2B%28-3-5%29%5E2
D%5E2=6%5E2%2B%28-8%29%5E2
D%5E2=36%2B64
D%5E2=100
D=10