4 years ago

A triangle has side lengths of x, x+11, and 3x+5.

Mathematics

1 answer:

horrorfan [7]4 years ago

3 0

Answer:

The answer is 5X+16

Step-by-step explanation:

The formula for perimeter of a triangle is a+b+c.

meaning we are adding up everything.

That is

(x)+(x+11)+(3x+5).

collect like terms.

and u end up getting

5x+16

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