# How to find the area of this shape?

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I keep getting 163.5, but that isn't the correct answer r.

I keep getting 163.5, but that isn't the correct answer r.

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Jim G.
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Feb 8, 2018

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#"assuming the area of green region is required"#

#"using the "color(blue)"subtraction method"#

#• " area of complete rectangle "-" area of white region"#

#"area of complete rectangle "=35xx23=805" square cm"#

#"area of white region "#

#="area of square "+" area of triangle"#

#"area of square "=12xx(23-11)=12xx12=144#

#"area of triangle "=1/2xx(35-12-10)xx12#

#color(white)(xxxxxxxxxxx)=1/2xx13xx12=78#

#"area of green "=805-(144+78)=583" square cm"#

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