Question

Line segment EF is graphed on the coordinate plane below?



What is the length of EF? Record your answer to the nearest tenth of a unit.

Answer 1

EF= 7.6 units

a^2+b^2=c^2
7^2+3^2=c^2
49+9=c^2
58=c^2
sqrt58=sqrtc^2
7.6=c