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150度因為ABCD是正方形△ABP是等邊三角形所以角PBC=角DAP=30度角APB=60度△BCP與△ADP同為等邊三角形因為推理得出角PBC=角DAP=30度△BCP與△ADP同為等邊角形所以角DPA=角BPC=75°囙此角CPD+角BPC+角DPA+角APB= 360度角CPD=150度
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