Question

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

Explanation:

Step1: Use segment - addition postulate

$FI=FG + GH+HI$

Step2: Rearrange to find GH

$GH=FI - FG - HI$

Step3: Substitute values

$GH = 7-2 - 1$
$GH=4$

Answer:

4 units