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a garden id 7m by 12m will be expanded by planting a
border of flowers.the border will be of the same width around the
entire garden and has an area of 92m2"


Sagot :

Given:
Width = 7
length = 12
Area = 92m²

req'd:
Lenght new=[tex] l_{2}[/tex]

Formula:

[tex]Area= (length)(width)[/tex]

solution:

[tex] w_{1} = 8_{2} =7[/tex]

[tex]92=(7)( l_{2} )[/tex]

[tex] \frac{92}{7}= l_{2} [/tex]

[tex] l_{2} =13.14m[/tex]