Question

DF is a midsegment
Solve for y
A. -3
B. 3
C. 1/2
D. 2

Answer 1

B. 3

Explanation:

If DF is a midsegment, then F is a midpoint of BC, so

BF = FC, thus

`4y=6(y-1)`

Solve this equation:

`4y=6y-6\\ \\4y-6y=-6\\ \\-2y=-6\\ \\2y =6\\ \\y=3`