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Illustrative Mathematics - Geometry - Mathematics - Unit 1 - Lesson 12

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Last updated 2 months ago
7 Questions
1.

Match the directed line segment with the image of Polygon P being transformed to Polygon Q by translation by that directed line segment.

8.G.1.c
G.CO.4
8.G.3
8.G.1.a
8.G.1.b
2.

Draw the image of quadrilateral ABCD when translated by the directed line segment v. Label the image of A as A', the image of B as B', the image of C as C' and the image of D as D'.

8.G.1.c
G.CO.4
8.G.3
8.G.1.a
8.G.1.b
3.

Which statement is true about a translation?

8.G.1.c
G.CO.4
8.G.3
8.G.1.a
8.G.1.b
4.

Select all the points that stay in the same location after being reflected across line l.

8.G.1.c
G.CO.4
8.G.3
8.G.1.a
8.G.1.b
5.

Lines l and m are perpendicular. A point Q has this property: rotating Q 180 degrees using center P has the same effect as reflecting Q over line m.

  1. Give two possible locations of Q.
  2. Do all points in the plane have this property?

8.G.1.c
G.CO.4
8.G.3
8.G.1.a
8.G.1.b
6.

There is a sequence of rigid transformations that takes A to A', B to B', and C to C'. The same sequence takes D to D'. Draw and label D':

8.G.1.c
G.CO.4
8.G.3
8.G.1.a
8.G.1.b
7.

Two distinct lines, l and m, are each perpendicular to the same line n.

  1. What is the measure of the angle where line l meets line n?
  2. What is the measure of the angle where line m meets line n?

8.G.1.c
G.CO.4
8.G.3
8.G.1.a
8.G.1.b
This lesson is from Illustrative Mathematics. Geometry, Unit 1, Lesson 12. Internet. Available from https://curriculum.illustrativemathematics.org/HS/teachers/2/1/12/index.html ; accessed 29/July/2021.

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