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jasonmitchell:
https://static.k12.com/nextgen_media/assets/8080601-NG_GMT_SemA_IT_01_03.png Which line must be perpendicular to GH←→ ? A. IJ←→ B. EF←→ C. AB←→ D. CD←→
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jasonmitchell:
@dude
563blackghost:
A right angle is shown to be made by the intersection of GH and CD. This means they intersect perpendicular, meaning that CD is perpendicular to GH.
jasonmitchell:
IT'S Not the 2nd one ?
563blackghost:
No. You cant assume in this case.
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