Math high school
posted by Sue on .
Find the slope of altitude to line AT the coordinates are A(7,0) and T (9,7)

find the slope of AT
then the altitude is at right angles to it, so its slope is the negative reciprocal of the slope of AT
posted by Sue on .
Find the slope of altitude to line AT the coordinates are A(7,0) and T (9,7)
find the slope of AT
then the altitude is at right angles to it, so its slope is the negative reciprocal of the slope of AT