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Interactive
Curated OER

Angles and Arcs formed by Intersecting Chords

For Students 9th - 11th
In this angles and arcs instructional activity, students complete a warm-up, state the formula formed by intersecting chords, and answer eight problems.  The instructional activity includes a closing think pair share problem.
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Worksheet
Curated OER

Angles in Circles

For Students 10th
For this angles in circles worksheet, 10th graders solve 10 different problems that include tangents and chords and intersecting chords. First, they find x when given 2 intersecting chords. Then, students determine x given the diameter...