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Illustrative Mathematics - Geometry - Unit 3 - Lesson 9

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Algebra I, Algebra II, Geometry, Math

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Illustrative Mathematics - Geometry - Unit 3 - Lesson 9
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4 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

Media Image

What is the length of segment DF?

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G.CO.8

G.SRT.2

G.CO.10

G.SRT.3

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

In triangle ABC, angle A is 35º and angle B is 20º. Select all triangles which are similar to triangle ABC.

{"blocks":[{"key":"396dl","text":"triangle DEF where angle D is 35º and angle E is 20º","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":9,"length":3,"style":"BOLD"},{"offset":25,"length":1,"style":"BOLD"},{"offset":44,"length":1,"style":"BOLD"},{"offset":9,"length":3,"style":"ITALIC"},{"offset":25,"length":1,"style":"ITALIC"},{"offset":44,"length":1,"style":"ITALIC"}],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"73hvc","text":"triangle GHI where angle G is 35º and angle I is 30º","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":9,"length":4,"style":"BOLD"},{"offset":26,"length":1,"style":"BOLD"},{"offset":45,"length":1,"style":"BOLD"},{"offset":9,"length":4,"style":"ITALIC"},{"offset":26,"length":1,"style":"ITALIC"},{"offset":45,"length":1,"style":"ITALIC"}],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"6sf14","text":"triangle JKL where angle J is 35º and angle L is 125º","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":9,"length":3,"style":"BOLD"},{"offset":25,"length":1,"style":"BOLD"},{"offset":44,"length":1,"style":"BOLD"},{"offset":9,"length":3,"style":"ITALIC"},{"offset":25,"length":1,"style":"ITALIC"},{"offset":44,"length":1,"style":"ITALIC"}],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"85bld","text":"triangle MNO where angle N is 20º and angle O is 125º","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":9,"length":3,"style":"BOLD"},{"offset":25,"length":1,"style":"BOLD"},{"offset":44,"length":1,"style":"BOLD"},{"offset":9,"length":3,"style":"ITALIC"},{"offset":25,"length":1,"style":"ITALIC"},{"offset":44,"length":1,"style":"ITALIC"}],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"claqa","text":"triangle PQR where angle Q is 20º and angle R is 30º","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":9,"length":3,"style":"BOLD"},{"offset":25,"length":1,"style":"BOLD"},{"offset":44,"length":1,"style":"BOLD"},{"offset":9,"length":3,"style":"ITALIC"},{"offset":25,"length":1,"style":"ITALIC"},{"offset":44,"length":1,"style":"ITALIC"}],"entityRanges":[],"data":{}}],"entityMap":{}}

Tags

G.CO.8

G.SRT.2

G.CO.10

G.SRT.3

3.

OPEN ENDED QUESTION

3 mins • 1 pt

Media Image

Decide whether triangles ABC and DEC are similar. Explain or show your reasoning.

Evaluate responses using AI:

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Tags

G.CO.8

G.SRT.2

G.CO.10

G.SRT.3

4.

OPEN ENDED QUESTION

3 mins • 1 pt

Media Image

Must these parallelograms be similar? Explain your reasoning.

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Tags

G.CO.8

G.SRT.2

G.CO.10

G.SRT.3

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