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Mathematics, 21.11.2020 02:00 lilyrockstarmag

A right triangle with coordinates A (-1,4), B (-1, 8) and C (3, 4) is first rotated 90 degrees counterclockw- then translated 2 units left and 3 units down to form triangle A'B'C'.
What is the measure of angle B'A'C', in degrees, in the resulting figure?

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A right triangle with coordinates A (-1,4), B (-1, 8) and C (3, 4) is first rotated 90 degrees count...
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