Illustrative Mathematics - Geometry - Mathematics - Unit 1 - Lesson 15
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Algebra I, Algebra II, Geometry, Math
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4 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
For each figure, identify any lines of symmetry the figure has.
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G.CO.3
8.G.1.c
G.CO.4
G.CO.2
8.G.1.a
8.G.1.b
2.
OPEN ENDED QUESTION
3 mins • 1 pt
In quadrilateral BADC, AB = AD and BC = DC. The line AC is a line of symmetry for this quadrilateral. Based on the line of symmetry, explain why the diagonals AC and BD are perpendicular.Based on the line of symmetry, explain why angles ABC and ADC have the same measure.
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G.CO.3
8.G.1.c
G.CO.4
G.CO.2
8.G.1.a
8.G.1.b
3.
OPEN ENDED QUESTION
3 mins • 1 pt
Three line segments form the letter Z. Rotate the letter Z counterclockwise around the midpoint of segment BC by 180 degrees. Describe the result.
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G.CO.3
8.G.1.c
G.CO.4
G.CO.2
8.G.1.a
8.G.1.b
4.
OPEN ENDED QUESTION
3 mins • 1 pt
Points A, B, C, and D are vertices of a square. Point E is inside the square. Explain how to tell whether point E is closer to A, B, C, or D.
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G.CO.3
8.G.1.c
G.CO.4
G.CO.2
8.G.1.a
8.G.1.b
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