Question

D and E are the midpoints of the sides of triangle ABC. If DE=2x, BC=x+10, DE=?

Answer 1

PLEASE HELP :(((

Answer 2

\[DE=\frac{ 1 }{2 }BC,BC=2DE,x+10=2(2x)=4x\]
calculate x and then DE=2x

Answer 3

How will you solve for x? :(

Answer 4

4x-x=10
3x=10
x=10/3
DE=2x=2*10/3=20/3