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ehidna [41]
3 years ago
12

A triangle has sides with lengths of 21 meters, 70 meters, and 73 meters. Is it a right triangle?

Mathematics
1 answer:
Elena-2011 [213]3 years ago
8 0

9514 1404 393

Answer:

  no

Step-by-step explanation:

It is close, but not exactly a right triangle.

If it were a right triangle, we would have ...

  21² +70² = 73²

We have instead ...

  441 +4900 ≠ 5329

  5341 ≠ 5329 . . . . . . . . not a right triangle

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