find the slope of AB with the point lying on 1.A(2,1) B(2,6)2.A
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ledger list
Ab&cd two chord meet at o not at centre.tangents drawn from point a&c meet point p and tangents drawn from point b &d meet at point q.toprove angleapc+anglebqd=2angleboc
how to solve unknown variables in triangles such as x, y, z