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OpenStudy (anonymous):
i need help Explain how the formula for the area of a triangle is derived from that of a rectangle.
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OpenStudy (anonymous):
a rectangle is length times width. but with a triangle it is length time width divided by 2
OpenStudy (anonymous):
dose that sound good ??
OpenStudy (anonymous):
|dw:1329620321857:dw|
OpenStudy (anonymous):
half the area of the rectangle
OpenStudy (anonymous):
1000% agree, Satellite73!
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Directrix (directrix):
That approach (half a rectangle) seems to be a convincing argument only for a right triangle's area. How do you extrapolate to a non-descript triangle's area?
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