Geometry Quiz
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CONGRUENCE & RIGID MOTIONS
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Triangle PQR is reflected across line ℓ to produce triangle P′Q′R′. Then triangle P′Q′R′ is reflected across line m, where lines ℓ and m intersect at point O and form a 35° angle. The final image is triangle P′′Q′′R′′. What single rigid motion is equivalent to this composition of two reflections?
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