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Unit 10 - Circles

Geometry

Unit 10

Circles

20 days

10.1  Define various parts of a circle and use formulas to find area, circumference, and arc length.

10.2  Define central angles and how their measures are related to the degrees in an arc.

10.3  Determine if two chords are congruent using their arc lengths and distance from the center.

10.4  Use diameters and radii to determine if a chord is being bisected.

10.5  Use inscribed angles and overlapping arcs to find missing values and arc measures.

10.6  Find missing values using the properties of inscribed quadrilaterals.

10.7  Define objects such as tangent lines and the point of tangency and use their properties to find missing values.

10.8  Find arc and angle measures using interior intersections, intersections on the circle, and exterior intersections.

10.9  Use intersecting chords, secants, and tangents to find the length of a segment.

10.10  Write the equation of a circle given its center and radius (or diameter), graph, point on the circle, circumference, or area.

10.11  Determine the center and radius of a circle given its equation.