Page 89 - Math Course 2 (Book 2)
P. 89
Transformations: Rotated Images
Your Turn!
Reflections in Intersecting Lines
In the following diagram, which triangle is the QUILTS Identify the order and magnitude of the
image of ΔABC under reflections in line m and then symmetry in the medium-sized star directly in the
line n. center of the quilt made by Judie Mathieson.
A. blue Δ A. 12, 30°
B. green Δ B. 15, 24°
C. neither C. 18, 20°
D. 20, 18°
Answer
Answer
Identifying Rotational Symmetry
QUILTS Identify the order and magnitude of the
symmetry in the star in the upper left corner of the
quilt made by Judie Mathieson.
A. 6, 60°
B. 8, 45°
C. 10, 36°
D. 12, 30°
Answer
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