Triangle ABC has vertices A(0, 5), B(12, 0), C(0, 0) in the coordinate plane. The image when triangle ABC is rotated clockwise about the origin is triangle A'B'C' with vertex A'(3,4). What fraction of the area of triangle A'B'C' is below the x-axis? Express. your answer as a common fraction.
Thanks for everyone's help in advance :D
+1641 Triangle ABC has vertices A(0, 5), B(12, 0), C(0, 0) in the coordinate plane. The image when triangle ABC is rotated clockwise about the origin is triangle A'B'C' with vertex A'(3,4). What fraction of the area of triangle A'B'C' is below the x-axis? Express. your answer as a common fraction.
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9/14 of the whole area of triangle A'B'C' went below the x-axis. 
