Question

Pls help me

the vertices of a triangle are A(2,4) B(2,1) C(3,1).reflect the triangle in the x axis then rotate it 90 degrees counterclockwise about the orgin. what are the new coordinates of the triangle?
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Answer 1

A:(4,2) B:(1,2) C:(1,3)

Explanation:

During a rotation 90 degrees ccw the points go from (x,y) to (-y,x)