elliejohnson1002 elliejohnson1002

14-11-2020
Mathematics

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HELP PLease! 40 points!!!!

HELP PLease 40 points class=

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mhanifa mhanifa

14-11-2020

Answer:

D. 480 ft

Step-by-step explanation:

Let the sides of triangle be a, b and c

Perimeter

P = a + b+ c = 40

New sides

12a, 12b and 12c

New perimeter

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

Correct choice is D

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