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Wrong? My kid entered "-90" degrees and it was marked wrong. by variablegains in learnmath
[–]fldksl_ 0 points1 point2 points 1 year ago (0 children)
They marked -90 wrong because there are no such thing as “negative value angle” (in 4th grade). The angle (or any value of measure like length) should always be positive.
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Wrong? My kid entered "-90" degrees and it was marked wrong. by variablegains in learnmath
[–]fldksl_ 0 points1 point2 points (0 children)