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28 votes
Calculate the area of the figure below. 17 ft. 11 ft. 23 ft.

User Dpham
by
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1 Answer

13 votes
13 votes

From the diagram above, we can see that


\text{the area of the figure = the area of the triangle + the area of the rectangle}

Also,


\begin{gathered} h+11ft=17ft \\ \text{thus } \\ h=17-11=6ft \end{gathered}
\text{the area of a triangle =}(1)/(2)*\text{ base}*\text{ perpendicular height}

In this case,

base = 23ft,

perpendicular height = h = 6ft.

Therefore,


\text{the area of the triangle = }(1)/(2)*23*6=23*3=69\text{ square fe}et
\begin{gathered} \text{the area of a rectangle = length }*\text{ width} \\ \text{ In this case,} \\ \text{length = 23ft, and } \\ \text{width = 11ft} \\ \text{therefore,} \\ \text{the area of the rectangle = 23ft }*\text{ 11ft = 253 square fe}et \end{gathered}

Calculate the area of the figure below. 17 ft. 11 ft. 23 ft.-example-1
User Brice
by
2.9k points