Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole

Chapter 7 - Section 7.3 - More about Regular Polygons - Exercises - Page 332: 17a

Answer

m$\angle$C=120$^{\circ}$

Work Step by Step

m$\angle$C=$\frac{360}{n}$ m$\angle$C=$\frac{360}{3}$ m$\angle$C=120$^{\circ}$

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