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22-01-2017
Mathematics

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find the value of x for which the figure is the given special parallelogram

find the value of x for which the figure is the given special parallelogram class=

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calculusxy calculusxy

22-01-2017

All the corners of a rectangle is equal to 90 degrees. So you need to set (x-1) and (2x+10) equal to 90 and then solve for x.

(x - 1) + (2x + 10) = 90
Combine the like terms...
3x + 9 = 90
Subtract both sides by 9...
3x + 9 - 9 = 90 - 9
3x = 81
Divide both sides by 3...
3x = 81
(3x) / 3 = 81 / 3
x = 27

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