given :-
Length of drapery panel = 6 ft
Breadth of drapery panel = 7 ft
Therefore,
Area of rectangle = length ×breadth
= 6 × 7
= 42 ft²
Number of square feet needed for 7 panels
= 42 × 7
= 294 ft²
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[tex]\huge\bf{\underline\green{Required\:answer}}[/tex]
= 294 ft²
