Question

Really need help with this ASAP.

Answer 1

If DE// to BC, slope of DE= slope of BC

D=(
`(4+2)/(2) ,(6-2)/(2)`)

D=(3,2)

E=(
`(4-2)/(2) ,(6-4)/(2)`)

E=(1,1)

Slope of DE=
`(2-1)/(3-1) =(1)/(2)`

Slope of BC=
`(-2-(-4))/(2-(-2)) =(1)/(2) =`Slope of DE

∴DE // to BC.