The coordinates of the point E
E are
(
5
,
−
7
)
(5,−7) and the coordinates of point
F
F are
(
5
,
3
)
.
(5,3). What is the distance, in units, between the point
E
E and point
F
?
F?

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.