Question

HELP PLS What is the perimeter of the triangle?

Answer 1

Answer:

$p=48 ~units$

Step-by-step explanation:

$x^2=12^2+9^2$

$x^2=144+81$

$x^2=2225$

$x=15$

$p=15+15+18$

$p=48 ~units$

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hope it helps...

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Answer 2

Answer:

p=48 units

Step-by-step explanation:

hope it helps..