Illustrative Mathematics - Geometry - Unit 3 - Lesson 5
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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
Triangle DEF is formed by connecting the midpoints of the sides of triangle ABC. The lengths of the sides of DEF are shown. What is the length of AB ?
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G.SRT.1.a
G.SRT.4
G.CO.10
2.
OPEN ENDED QUESTION
3 mins • 1 pt
Angle ABC is taken by a dilation with center P and scale factor \frac{1}{3} to angle A'B'C' . The measure of angle ABC is 21o. What is the measure of angle A'B'C' ?
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G.SRT.1.b
G.SRT.1.a
G.SRT.4
G.CO.10
3.
OPEN ENDED QUESTION
3 mins • 1 pt
Is it possible for polygon ABCDE to be dilated to figure VWXYZ? Explain your reasoning.
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G.SRT.1.b
G.SRT.1.a
G.SRT.4
G.CO.10
4.
OPEN ENDED QUESTION
3 mins • 1 pt
Triangle XYZ is scaled and the image is X'Y'Z'. Write 2 equations that could be used to solve for a.
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G.SRT.1.b
G.SRT.1.a
G.SRT.4
G.CO.10
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