Eighty three thousand four hundred and seventy nine
Answer:
23???
Step-by-step explanation:
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A=(2,4); B=(3,9); C=(4,1)
A'=(4,-2); B'=(9,-3); C'=(1,-4)
All the points P=(x,y) change to P'=(y,-x), this corresponds to a rotation counterclockwise about the origin, then:
Answer: Triangle ABC is
First box: rotated counterclockwise
Second box: 90° about the origin
to form triangle A'B'C'
Slope: rise over run
4 up and 2 to left
4/2 = 2, the slope is 2
