   Chapter 3.4, Problem 19E ### Elementary Geometry for College St...

6th Edition
Daniel C. Alexander + 1 other
ISBN: 9781285195698

#### Solutions

Chapter
Section ### Elementary Geometry for College St...

6th Edition
Daniel C. Alexander + 1 other
ISBN: 9781285195698
Textbook Problem
1 views

# Describe how you would construct an angle measuring 22.5 °

To determine

To construct:

The angle of measure 22.5°.

Explanation

Construction:

Draw a line AB.

Figure (1)

Draw two circles of equal radius centered at A and B and name the intersection points.

Figure (2)

Draw a line CD which is the perpendicular bisector of AB. mCEA is the angle of measure 90°.

Figure (3)

Draw a circle of radius EA from A and name the intersection points.

Figure (4)

Draw a segment AF. mA is the angle of measure 45° as ΔAEF is right isosceles triangle

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