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OpenStudy (anonymous):
Anybody know how to find the measure of angle E?
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OpenStudy (anonymous):
OpenStudy (anonymous):
360=7x+6+6x-1+5x+5+6x+14+7x+9+7x-35+8x-15+4x+12+5x
OpenStudy (anonymous):
find the value of x in this equation and replace x in 7x+9 by it's valu,then you will get x
OpenStudy (jack1):
i think formula to find the sum of all the angles in an n-sided shape is 180(n-2). 9 sides = 1260 degrees 7x+6+6x-1+5x+5+6x+14+7x+9+7x-35+8x-15+4x+12+5x = 1260, not 360 solve for x
OpenStudy (jack1):
then use x to work out angle E (7x + 9)
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OpenStudy (jack1):
i got 170... u?
OpenStudy (anonymous):
i got 170 too. thank you!!
OpenStudy (jack1):
cool, what was your value for x?
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