SOLUTION: John made a small rectangular table for his workroom. The sides of the table are 36 inches and 18 inches. If the diagonal of the table measures 43 inches,is his table a true rectan

Algebra ->  Algebra  -> Pythagorean-theorem -> SOLUTION: John made a small rectangular table for his workroom. The sides of the table are 36 inches and 18 inches. If the diagonal of the table measures 43 inches,is his table a true rectan      Log On

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Question 176051: John made a small rectangular table for his workroom. The sides of the table are 36 inches and 18 inches. If the diagonal of the table measures 43 inches,is his table a true rectangle? explain your answer.



can you please help me its so hard,and i just transferred in our school and i didn't know anything about pythagorean theorem.
Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
in order for this to be a true rectangle
sum of the squares of each side, must equal the diagonal squared.
:
so
18%5E2%2B36%5E2=43%5E2has to be a true statement
:
324%2B1296=1849
:
1620=1849
:
this is not a true statement therefore this is not a true rectangle