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October 21, 2014

October 21, 2014

Posted by **PEG** on Monday, February 28, 2011 at 11:41am.

Find the area of a rectangle if three of its corners are (-0.1,-3.4), (-7.9,-3.4), and (-0.1,6.8).

- algebra -
**Henry**, Wednesday, March 2, 2011 at 12:51amA(-7.9, -3.4), B(-0.1, -3.4).

b=hor. = -0.1-(-7.9) = 7.8 = The Base.

B(-0.1, -3.4), C(-0.1, 6.8),

h=ver.=6.8-(-3.4) = 10.2 = The height.

A = bh = 7.8 * 10.2 = 79.6

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