G.CO.1c
(9/10) Parallel lines are taken to parallel lines.
Khan Academy ResourcesProperties of translationsRotating shapes about the origin by multiples of 90°Translating shapesRotations introDetermining rotationsReflecting shapesTranslations introDetermining translationsPrecisely defining rotationsMapping shapesDetermine reflections (advanced)Reflect shapesRotate shapesCongruence & transformationsTranslate pointsFind measures using rigid transformationsDefining transformationsDilations: centerIdentify transformations Reflect pointsRotate pointsRigid transformations: preserved propertiesDetermine reflectionsDetermine translationsTranslate shapesDetermine rotationsCorresponding parts of congruent triangles are congruentTriangle congruence postulates/criteriaWhy SSA isn't a congruence postulate/criterionTranslating shapesRotating pointsReflecting shapes: diagonal line of reflectionTranslating pointsReflecting pointsDetermining reflections (advanced)Determining translationsIdentifying transformationsMapping shapesTranslation challenge problemDefining transformationsNon-congruent shapes & transformationsDetermining rotationsIdentifying type of transformationDilating shapes: shrinkingAngle congruence equivalent to having same measureRigid transformations introFinding measures using rigid transformationsDetermining reflectionsDilations: centerSegment congruence equivalent to having same lengthReflecting shapesRotating shapesCongruent shapes & transformations

1-on-1 AI tutoring aligned to G.CO.1c. Instant help for students, real-time insights for teachers.
Used in classrooms by 100,000+ students at Baltimore County, Plano ISD, Deer Valley USD, KIPP, and districts nationwide.
Free for teachers, forever →