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[" If in a triangle "PQR,sin P,sin Q" si...

[" If in a triangle "PQR,sin P,sin Q" sin "R" are in A.P.,then "],[[" (A) the altitudes are in A.P."," (B) the altitudes are in HA.P."],[" (C) the medians are in G.P."," (D) the medians are in A.P."]]

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