Answer:
Let
the breadth =x
As we know that in a rectangle
[tex]{\boxed{\sf Area=lb}}[/tex]
[tex]{:}\longrightarrow[/tex][tex]\sf 86\times x=6536[/tex]
[tex]{:}\longrightarrow[/tex][tex]\sf 86x=6536 [/tex]
[tex]{:}\longrightarrow[/tex][tex]\sf x={\dfrac{6536}{86}}[/tex]
[tex]{:}\longrightarrow[/tex][tex]\sf x=76 [/tex]
[tex]\therefore[/tex][tex]Breadth=76m [/tex]