### Home > GC > Chapter 12 > Lesson 12.1.2 > Problem12-19

12-19.
1. In the triangle below, is a midsegment of ΔABC and is a midsegment of ΔADE . If DE = 7 cm, find BC and FG. Homework Help ✎

$\text{The Triangle Midsegment Theorem says that }\overline{DE}=\frac{1}{2}\text{ of }\overline{BC}.$