Question

Three sides of a triangle are -2m-5n+3, 4n +2m-5 and -m -n-2. The Perimeter of the triangle is ___
Correct answer will be MARKED as BRAINLIEST ​

Answer 1

Answer:

-m-2n-4

Hope it helps u:)

Answer 2

Answer:

perimeter = -m-2n-4

Step-by-step explanation:

just add all

(-2m-5n+3)+(4n+2m-5)+(-m-n-2)

open the brackets and collect like terms

-2m+2m-m-5n+4n-n+3-5-2

-m-2n-4

I hope it may help you plz mark me as brainliest