a. Draw ΔABC on graph paper. Is ΔABC a right triangle? Justify your answer.
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HINT: Drag the RED points to their correct locations.
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b. Reflect ΔABC across AC to create ΔA′B′C′. Find the location of B′. What kind of triangle is ∆BB′C? Justify your answer.
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HINT: Drag the BLUE point, B', to its correct location.
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