Description
Topic B defines the measure of an arc and establishes results relating chord lengths and the measures of the arcs they subtend. Students build on their knowledge of circles from Module 2 and prove that all circles are similar. Students develop a formula for arc length in addition to a formula for the area of a sector and practice their skills solving unknown area problems.
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Credits
From EngageNY.org of the New York State Education Department. Geometry Module 5 Topic B Overview.
Available from engageny.org/resource/geometry-module-5-topic-b-overview; accessed 2015-05-29.
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