Question

For what value of x, segDE will parallel to side BC.​

Answer 1

Answer:

2

Step-by-step explanation:

For DE || BC

AD/AB = AE/AC

Putting values in this we get

(x+10)/(5x+20) = (x+6)/(2x+16)

or, 2x^2+36x+160 = 5x^2+50x+120

or, 3x^2 + 14x - 40= 0

or, (x-2)(3x+20) = 0

so, x=2 (as x cannot be -6.6667)