Based on the information given the total area of the roof is 2000 sq ft.
Total area
Using this formula
Total area=Square feet of roof/Roof percentage
Where:
Square feet of roof=1400
Roof percentage=70%
Let plug in the formula
Total area=1400/.70
Total area=2000 sq ft
Inconclusion the total area of the roof is 2000 sq ft.
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