zoesimmoned
zoesimmoned
22-03-2018
Mathematics
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What is the area of the figure below?
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sqdancefan
sqdancefan
22-03-2018
The horizontal legs of the upper triangles are equal in length to the vertical leg (2.5 m) since those triangles are isosceles right triangles.
The overall area is half the product of the lengths of the diagonals, so is
.. A = (1/2)(2*2.5 m)(2.5 m +6 m)
.. = (2.5 m)*(8.5 m)
.. = 21.25 m^2
The 3rd selection is appropriate.
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