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Math

Indiana Math

Geometry: Circles

G.CI.1

Partially covered
Define, identify, and use relationships among the following: radius, diameter, arc, measure of an arc, chord, secant, tangent, congruent circles, and concentric circles.

G.CI.2

Explore and use relationships among inscribed angles, radii, and chords, including the following:

G.CI.2.a

The relationship that exists between central, inscribed, and circumscribed angles;

G.CI.2.b

Inscribed angles on a diameter are right angles; and
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G.CI.2.c

The radius of a circle is perpendicular to a tangent where the radius intersects the circle.
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G.CI.3

Mostly covered
Solve real-world and other mathematical problems that involve finding measures of circumference, areas of circles and sectors, and arc lengths and related angles (central, inscribed, and intersections of secants and tangents). (E)