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In a AABC, ZA = 7 and a = 2v2 units, then (Where D, E, F are the feet of perpendiculars drawnfrom A, B, C to the opposite sides respectively)1 Circumradius of AABC = 2 units2 Circumradius of ADEF = 1 units3Circumradius of ADEF = 3 units24 Circumradius of AABC = 1 units |
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