Question

In the diagram below of triangle DEF, G is the midpoint of DF and H is the midpoint of EF. If GH = 3x + 2, and DE = 18 + 4x, what is the measure of GH?

Answer 1

Solve for x

18-4=6x-4x

Simplify

X=7

*Now lets solve for GH

3(7)+2

21+2

Solution

GH=23


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