What is the resultant vector when a vector of magnitude 10 units, directed at 30 degrees from the positive x-axis, is added to a vector of magnitude 7 units, directed at 60 degrees from the positive x-axis?
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What is the condition for the congruence of two triangles?
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Math question: What is the equation of a circle with a center at (2, -3) and a radius of 5? (