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OpenStudy (anonymous):
Quadrilateral GRAY below is an isosceles trapezoid with bases GR and AY. If m∠G = 7x – 3 and m∠R = 3x + 33, what is the measure of ∠G? A. 9° B. 15° C. 60° D. 78°
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OpenStudy (anonymous):
|dw:1368198737518:dw|
OpenStudy (anonymous):
2(3x + 33) + 2 (7x – 3) = 360
OpenStudy (anonymous):
6x + 66 + 14x + 6 = 360
OpenStudy (anonymous):
72 + 20x = 360
OpenStudy (anonymous):
20x = 360 - 72 20x = 288
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OpenStudy (anonymous):
288/20 = x
OpenStudy (anonymous):
x = 14.4
OpenStudy (anonymous):
theres no answer choice thats 14.4, are you sure?
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