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The equation is
AREA = ONE HALF times BASE times HEIGHT
The BASE is the length of the bottom line.
The HEIGHT is the 'straight up' distance from the (horizontal) bottom line to the tip.
And ONE HALF is, well, one half.
So if your triangle had a bottom line of length 5 ft, and a height of 7 ft, the area would be
1/2 times 5 times 7, that is, 35/2 or 17.5 square feet.
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∙ 13y ago
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How do you figure the square footage of a home?
Model each floor of the house with one or more rectangles, compute the area of each of these rectangles, and sum them to the total square footage. If the shape of you house if really complicated you may have to throw a triangle in there, but most houses can be approximated well enough using rectangles.
Example of algebra in construction?
I use algebra to figure square footage, cubic footage, and angles when building, It is very important.
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Multiply the length times the width.
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They have the same area.
