marianesabrinap20 marianesabrinap20

12-09-2021
Mathematics

contestada

help plsss 20+ pointsss

help plsss 20 pointsss class=

Respuesta :

umairwaheed8888776 umairwaheed8888776

12-09-2021

Answer:

3

Step-by-step explanation:

area of square=l*b so

81=3x multiply 3x

81=9x^2

81/9=x^2

9=x^2

[tex]\sqrt9[/tex]=x

3=x

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