Question

please answer this question​

Answer 1

Explanation:

let the missing side be x

perimeter = sum of all sides

22=7+5+4+x

22=16+x

22-16=x

6cm=x

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Answer 2

let we take the missing side = x

then,

4+7+5+x = 22

16+x= 22

x= 22-16

x=6

hope this will help you.......