Question

if fg = 2 units, fi = 7 units, and hi = 1 unit, what is gh?
3 units
4 units
5 units
6 units

Explanation:

Step1: Find length of FH

$FH = FI - HI$
$FH = 7 - 1 = 6$ units

Step2: Calculate length of GH

$GH = FH - FG$
$GH = 6 - 2 = 4$ units

Answer:

4 units