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OpenStudy (anonymous):
3.The diagonals of an isosceles trapezoid BC,AC are labeled 5x and 3x + 40. Find the length of the diagonals.
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OpenStudy (anonymous):
OpenStudy (anonymous):
so it's AC and BD are the diagnols...
OpenStudy (anonymous):
since this is an isosceles trapezoid, the diagnols should be equal. set 5x = 3x+40 and solve for x. to find the length of the diagnols, stick it back into 5x or 3x+40
OpenStudy (anonymous):
HOW DO I SLOVE FOR X
OpenStudy (anonymous):
|dw:1332965852853:dw| subtract 3x from both sides of the equal sign.
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