Illustrative Mathematics - Geometry - Unit 3 - Lesson 7

Sketch a figure that is similar to this figure. Label side and angle measures.

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G.SRT.4

G.CO.2

G.SRT.2

G.SRT.3

Write 2 different sequences of transformations that would show that triangles ABC and AED are similar. The length of AC is 6 units.

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G.SRT.4

G.CO.2

G.SRT.2

G.SRT.3

• Figure A.
• Figure B.
• Figure C.
• Figure D.
• Figure E.

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G.SRT.4

G.CO.2

G.SRT.2

G.SRT.3

Triangle DEF is formed by connecting the midpoints of the sides of triangle ABC. What is the perimeter of triangle ABC?

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G.SRT.4

G.CO.2

G.SRT.2

G.SRT.3

Triangles FAD and DCE are each translations of triangle ABC Explain why angle CAD has the same measure as angle ACB.

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G.SRT.4

G.CO.2

G.SRT.2

G.SRT.3