MAFS.912.G-C.1.2
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Congruence, Similarity, Right Triangles & Trig - 46%
MAFS.912.G-
CO.1.1 Definitions
CO.1.2 Use Transformations
CO.1.5 Map Transformations
CO.2.6 Rigid Motions
CO.3.9 Line & L Theorems
CO.3.10 Triangle Theorems
CO.3.11 Parallelograms
CO.4.12 Constructions
SRT.1.1 Dilations
SRT.1.2 Def of Similarity
SRT.1.3 AA Similarity
SRT.2.5 ~ & 
SRT.3.8 Trig & Pyth Theorem
Circles, Geometric Measurement & Geometric Properties with Equations - 38%
MAFS.912.G-
C.1.1 Similar Circles
C.1.2 Chord-L Relationships
C.1.3 Inscribe/Circumscribe
C.2.5 Arcs, Angles, Sectors
GMD.1.1 Argue Formulas
GMD.1.3 Use Formulas
GMD.2.4 Identify Objects
GPE.1.1 Equation of a Circle
GPE.2.4 Use Coordinates
GPE.2.5 Use || and 
GPE.2.6 Segment Ratios
GPE.2.7 Coordinate Per/Area
Modeling with Geometry - 16%
MAFS.912.G-
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What You Need To Know...
MAFS.912.G-C.1.2 - Identify and describe relationships among inscribed angles, radii, and chords.
1. The benchmark will be assessed using Equation Response, Graphic Response, Multiple Choice Response, Multi-select Response, Open Response, or Simulation Response.
2. Items may require student to solve problems related to circles using the properties of central angles, inscribed angles, circumscribed angles, diameters, radii, chords, and tangents.
3. Items may require students to find or describe the length of arcs when given information.
Example One
The circle shown below is centered as the origin and contains the point (-4, -2).
Which of the following is closest to the length of the diameter of the circle?
A. 13.41
B. 11.66
C. 8.94
D. 4.47
Example Two
Example Four
Additional Examples
Reference Sheet
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