Answer:
55
Step-by-step explanation:
[tex]\frac{IJ}{JK} = \frac{JG}{GH}[/tex]
[tex]\frac{20}{24} = \frac{JG}{42}[/tex]
Cross multiply
|JG| = [tex]\frac{20 X 42}{24}[/tex]
|JG| = 35
Therefore |IG| = |JG| + |IJ|
|IG| = 35 + 20
|IG| = 55
Please mark me brainiest if correct.
