Math question for congruence of triangles: "If two angles of one triangle are congruent to two angles of another triangle, what can you conclude about the triangles?"
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What is the equation of an ellipse with a center at (4, 2), major axis length of 10, and minor axis length of 6?
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What is the value of sin(x) + cos(x) for an angle x in a right-angled triangle?