Illustrative Mathematics - Geometry - Unit 3 - Lesson 1
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18 Questions
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Question 8
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Select theshape that has 180 degree rotational symmetry.
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Question 9
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Name a quadrilateral in which the diagonal is also a line of symmetry. Explain how you know the diagonal is a line of symmetry.
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Question 10
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In isosceles triangle DAC, AD is congruent to AC and AB is an angle bisector of angle DAC. How does Kiran know that AB is a perpendicular bisector of segment CD?
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Question 18
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This lesson is from Illustrative Mathematics. Geometry, Unit 3, Lesson 1. Internet. Available from https://curriculum.illustrativemathematics.org/HS/teachers/2/3/1/index.html ; accessed 29/July/2021.
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