Two sides 2

Two sides of a triangle are 12 and 15, and the perimeter is 40. Find the other side.

Correct answer:

c =  13

Step-by-step explanation:

a=12 b=15 o=40  o=a+b+c  c=oab=401215=13

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You need to know the following knowledge to solve this word math problem:

We encourage you to watch this tutorial video on this math problem: video1

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