Come up with a conclusion I can explain how and why; as a result: Successive reflection in two Successive reflection in two intersecting mirror lines produces intersecting mirror lines a rotation about the point of produces a rotation about intersection through twice the the point of intersection angle between the mirror lines. through twice the angle Successive reflection in parallel CCSS.MATH.CONTENT.HSG.CO.B.6 between the mirror lines. mirror lines produces a Week 10 – Use geometric descriptions of rigid motions to Successive reflection in Unit 4 translation in a direction transform figures and to predict the effect of a given parallel mirror lines Triangle 49 perpendicular to the mirrors to rigid motion on a given figure; given two figures, use produces a translation in a Congruence through a distance equal to twice Theorems the definition of congruence in terms of rigid motions direction perpendicular to the distance between the mirrors to decide if they are congruent. the mirrors through a distance equal to twice the and distance between the mirrors Any rigid motion of the Euclidean Any rigid motion of the plane can be written as a Euclidean plane can be composition of no more than 3 written as a composition of reflections. no more than 3 reflections. Week 10 – Unit 4 Triangle 50 Assessment Assessment Assessment to Congruence Theorems CCSS.MATH.CONTENT.HSG.CO.B.7 Week 11 – Unit 4 Use the definition of congruence in terms of rigid Proofs of Identifying Congruent sides I can Identify congruent sides of a Triangle 51 motions to show that two triangles are congruent if Congruent of a triangle triangle Congruence and only if corresponding pairs of sides and Triangles corresponding pairs of angles are congruent.
Unit 4 Triangle Congruence Week 10 – to Theorems 49 CCSS.MATH.CONTENT.HSG.CO.B.6 Use geometric descriptions of rigid motions to transform figures and to predict the effect of a given rigid motion on a given figure; given two figures, use the definition of congruence in terms of rigid motions to decide if they are congruent. Come up with a conclusion as a result: Successive reflection in two intersecting mirror lines produces a rotation about the point of intersection through twice the angle between the mirror lines. Successive reflection in parallel mirror lines produces a translation in a direction perpendicular to the mirrors through a distance equal to twice the distance between the mirrors Any rigid motion of the Euclidean plane can be written as a composition of no more than 3 reflections. I can explain how and why; Successive reflection in two intersecting mirror lines produces a rotation about the point of intersection through twice the angle between the mirror lines. Successive reflection in parallel mirror lines produces a translation in a direction perpendicular to the mirrors through a distance equal to twice the distance between the mirrors and Any rigid motion of the Euclidean plane can be written as a composition of no more than 3 reflections. Unit 4 Triangle Congruence Week 10 – to Theorems 50 Assessment Assessment Assessment Unit 4 Triangle Congruence Week 11 – Proofs of Congruent Triangles 51 CCSS.MATH.CONTENT.HSG.CO.B.7 Use the definition of congruence in terms of rigid motions to show that two triangles are congruent if and only if corresponding pairs of sides and corresponding pairs of angles are congruent. Identifying Congruent sides of a triangle I can Identify congruent sides of a triangle
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