15 In parallelogram let be the intersection of diagonals and Angles and are each twice as large as angle and angle is times as large as angle Find the greatest integer that does not exceed
15 Sa paralelogram hayaan ang intersection ng diagonals at Angles at ay ang bawat isa ng dalawang beses bilang malaking bilang anggulo at anggulo ay beses bilang malaking bilang anggulo Hanapin ang pinakamalaking integer na hindi lalampas sa