This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important asects of the task and its potential use. Here are the first few lines of the commentary for this task: Consider a circle with center $O$ and let $P\,$ be a point on the circle. Suppose $L$ is a tangent line to the circle at $P$, that is $L$ meets the cir...


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Informal Education,NSDL,NSDL_SetSpec_ncs-NSDL-COLLECTION-000-003-112-103,oai:nsdl.org:2200/20130211105441749T,High School,Vocational/Professional Development Education,Mathematics,Education



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Update Standards?

CCSS.Math.Content.HSG-CO.A: Common Core State Standards for Mathematics

Experiment with transformations in the plane

CCSS.Math.Content.HSG-CO.C.9: Common Core State Standards for Mathematics

Prove theorems about lines and angles.

CCSS.Math.Content.HSG-C.A.2: Common Core State Standards for Mathematics

Identify and describe relationships among inscribed angles, radii, and chords.
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