Use definitions and theorems about lines and angles to solve problems and to justify relationships in geometric figures.
M1.G.CO.C.5
Perform formal geometric constructions with a variety of tools and methods (compass and straightedge, string, reflective devices, paper folding, dynamic geometric software, etc.).
M1.G.CO.C.6
Use geometric constructions to solve geometric problems in context, by hand and using technology.*
M1.MP1
Make sense of problems and persevere in solving them.
M1.MP2
Reason abstractly and quantitatively.
M1.MP3
Construct viable arguments and critique the reasoning of others.