Question #38d90

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Answer 1 · 2017-07-11T12:09:38

I got #1600"ft"^2#

Consider the diagram:
enter image source here
here we can see two rectangles:

the small one of dimensions #100"ft"# and #50"ft"#

the big one of dimensions #[100+(2*5)]"ft"# and #[50+(2*5)]"ft"# formed considering also the walk.

Subtracting the area of the small one from the area of the big one we should get the area of the walk.

#A=[100+(2*5)xx50+(2*5)]-[100xx50]=6600-5000=1600"ft"^2#