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Luda [366]
3 years ago
11

HELP PLease! 40 points!!!!

Mathematics
1 answer:
Alik [6]3 years ago
7 0

Answer:

  • D. 480 ft

Step-by-step explanation:

Let the sides of triangle be a, b and c

<u>Perimeter</u>

  • P = a + b+ c = 40

<u>New sides </u>

  • 12a, 12b and 12c

<u>New perimeter </u>

  • Pn = 12a + 12b + 12c = 12(a+b+c) = 12*40 = 480 ft

Correct choice is D

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