MAFS.912.G-SRT.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 ~ & Criteria of
s
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 Slope
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-SRT.1.2 - Given two figures, use the definition of similarity in terms of similarity transformations to decide if they are similar.
1. The benchmark will be assessed using Multiple Choice), Multi-select, Open Response, or Selectable Text Response.
2. Items may require students to explain that corresponding angles of two similar figures are congruent and that corresponding sides of two similar figures are proportional..
3. Items may require students to determine if given information is sufficient to determine similarity..
Example One
Example Two
Example Three
The owners of a water park want to build a scaled-down version of a popular tubular water slide for the children's section of the park. The side view of the water slide, labeled ABC, is shown below.
Points A', B' and C', shown above, are the corresponding points of the scaled-down slide. Which of the following would be closest to the coordinates of a new point C' that will make slide A'B'C' similar to slide ABC.
- (90, 20)
- (77, 20)
- (50, 20)
- (47, 20)
Additional Examples
Reference Sheet
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