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posted by benajmin on Thursday, May 12, 2011 at 10:37am.

ABCD is an isosceles trapezoid. mAngle SymbolABC= 3x+10 and mAngle SymbolBAD=4x-5. Solve for x.

The sum of ABC and BAD is 180 degrees. 7x + 5 = 180 x = 25 degrees.

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