3 years ago

How many triangles exist with the given side lengths?12 in, 15 in, 18 in *

Mathematics

1 answer:

Mariulka [41]3 years ago

6 0

Answer:

Only a scalene triangle would have the given side lengths making it a unique triangle.

Step-by-step explanation:

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Step-by-step explanation:

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alexira [117]

Answer:

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Step-by-step explanation:

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3 years ago

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Please HELPPPPP!!! <br><br> I DONT KNOW WHY IM GETTING THEM WRONG

Nady [450]

Answer:

n = -33

Step-by-step explanation:

Let n = number

Sum of a number and 9

(n+9)

is tripled

3(n+9)

the result is six less then twice the number

2n-6

3(n+9) = 2n-6

Distribute

3n+27 = 2n-6

Subtract 2n from each side

3n-2n +27 = -6

n +27 = -6

Subtract 27 from each side

n+27-27 = -6-27

n =-33

3 0

3 years ago