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Geometry A
Unit 4
I can…
 I can classify a triangle by its angle measures and by its side lengths.
 I can prove and apply the following theorems: Triangle Sum, each angle in an
equiangular triangle is 60 degrees, Exterior Angle Theorem, 3rd Angle
Theorem, Isosceles Triangle Theorem, Converse of Isosceles Triangle
Theorem, Equilateral Triangle  Equiangular Triangle, Equiangular Triangle 
Equilateral Triangle, Perpendicular Bisector Theorem, Converse of
Perpendicular Bisector Theorem, Triangle Midsegment Theorem, Centroid
Theorem
 I can determine if two figures are congruent using the definition of congruence
in terms of rigid motions.
 I can specify a series of transformations that will carry a given figure onto
another.
 I can develop an argument for CPCTC based on the definition of congruence in
terms of rigid motions.
 I can determine if two figures are congruent by determining if their
corresponding parts are congruent.
 I can develop the criteria for triangle congruence (SSS, SAS, ASA)
 I can prove the other criteria for triangle congruence (AAS and HL)
 I can use the triangle congruence criteria to solve problems and to prove
relationships in geometric figures.
 I can write a coordinate proof.
 I can understand what a median is in a triangle.
 I can understand what a centroid is in a triangle.