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tatyana61 [14]
3 years ago
6

Find the Perimeter of a 45-45-90 triangle when one leg is 7.

Mathematics
1 answer:
zubka84 [21]3 years ago
6 0

Answer:

  B.  14 +7√2

Step-by-step explanation:

The lengths of the two legs are the same: 7.

The length of the hypotenuse is √2 times the length of a leg, so is 7√2.

The perimeter is the sum of the lengths of the sides:

  P = 7 + 7 + 7√2

  P = 14 +7√2 . . . . . matches choice B

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