Unit

#### Description:

Teacher and Student versions of full lesson from engageNY, Circle similarity is last topic.Define the angle measure of arcs, and understand that arcs of equal angle measure are similar.Restate and understand the inscribed angle theorem in terms of arcs: The measure of an inscribed angle is half the angle measure of its intercepted arc.Explain and understand that all circles are similar.

#### Subjects:

• Mathematics > General
• Mathematics > Geometry

• Grade 9
• Grade 10

similar circle

English

#### Access Privileges:

Public - Available to anyone

#### License Deed:

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#### Collections:

Teacher Resources
Update Standards?

#### CCSS.Math.Practice.MP2: Common Core State Standards for Mathematics

Reason abstractly and quantitatively.

#### CCSS.Math.Practice.MP3: Common Core State Standards for Mathematics

Construct viable arguments and critique the reasoning of others.

#### CCSS.Math.Practice.MP6: Common Core State Standards for Mathematics

Attend to precision.

#### CCSS.Math.Practice.MP7: Common Core State Standards for Mathematics

Look for and make use of structure.

#### CCSS.Math.Content.HSG-C.A.1: Common Core State Standards for Mathematics

Prove that all circles are similar.
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