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Help plsss 20+ pointsss

Help plsss 20+ pointsss-example-1
User Tim Perry
by
5.3k points

1 Answer

6 votes

Answer:

3

Explanation:

area of square=l*b so

81=3x multiply 3x

81=9x^2

81/9=x^2

9=x^2


\sqrt9=x

3=x

User Ryrysz
by
5.7k points