What is the value of the tangent (tan) of an angle if the opposite side is 7 and the adjacent side is 3?
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Math question: "Using the SAS (Side-Angle-Side) criteria, if two triangles have corresponding sides of lengths 7 cm, 9 cm, and 10 cm, are they congruent?"
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What is the relationship between the perpendicular bisectors and circumcenters of a triangle?