Copy of G.1.5.2 Make It Right
Here is a line l with a point labeled C :
Use straightedge and compass tools to construct a line perpendicular to l that goes through C .
Here is an angle:
- Estimate the location of a point D so that angle DBC is approximately congruent to angle CBD .
- Use compass and straightedge tools to create a ray that divides angle into 2 congruent angles.
How close is the ray to going through your point D ?
IM G Unit 1 Lesson 5 from IM Geometry by Illustrative Mathematics, https://im.kendallhunt.com/HS/students/2/1/5/index.html. Licensed under the Creative Commons Attribution 4.0 license, https://creativecommons.org/licenses/by/4.0/.