Which rule describes the composition of transformations that maps ΔABC to ΔA"B'C"? rm • RB', 90° RB', 90° • rm rm • RB', 270° RB', 270° • rm
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Answer:
rm • RB', 270°
Step-by-step explanation:
In the given image, the initial image is ABC
Step 1
rm
Reflection on line m
When image ABC is reflected on line m we get triangle A'B'C'
Step 2
270 RB'
270° anticlockwise Rotation on B'
For 270 degrees, the rule is (x, y) --------> (y, -x) (switch x with y and negative x)
When image A'B'C' is rotated anticlockwise by 270 degree along point B, we will get triangle A"B'C".
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