# Chapter 5 - Section 5.2 - Similar Polygons - Exercises - Page 235: 19

m$\angle$L=90$^{\circ}$

#### Work Step by Step

m$\angle$A=m$\angle$H 2x+4=68 2x=64 x=32 m$\angle$L=m$\angle$D m$\angle$L=3x-6 m$\angle$L=3(32)-6 m$\angle$L=90

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