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Illustrative Mathematics - Geometry - Unit 3 - Lesson 8

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Last updated about 1 year ago
8 questions
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Question 1
1.

Question 2
2.

Which statement provides a valid justification for why all circles are similar?

Question 3
3.

Which pair of polygons is similar?

Question 4
4.

1
Question 5
5.
1
Question 6
6.
Question 7
7.

Find a sequence of rigid transformations and dilations that takes square EFGH to square ABCD.

Question 8
8.

Select all true statements.

This lesson is from Illustrative Mathematics. Geometry, Unit 3, Lesson 8. Internet. Available from https://curriculum.illustrativemathematics.org/HS/teachers/2/3/8/index.html ; accessed 29/July/2021.

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Select all sequences of transformations that would show that triangles ABC and AED are similar. The length of AC is 6 units.
Dilate triangle ABC using center A by a scale factor of \frac{1}{2}, then reflect over line AC.
Dilate triangle AED using center A by a scale factor of 2, then reflect over line AC.
Reflect triangle ABC over line AC, then dilate using center A by a scale factor of \frac{1}{2}.
Reflect triangle AED over line AC, then dilate using center A by a scale factor of 2.
Translate triangle AED by directed line segment DC, then dilate using center C by scale factor 2.
Translate either triangle ABC or AED by directed line segment DC, then reflect over line AC.
Angle ABC is 180-xo
Angle ABC is xo
Triangle ACB is similar to triangle ADE
AD=\frac{1}{2}DC