Trong mặt phẳng \(\left( {Oxy} \right)\) cho hình thang cân \(ABCD\,\,\left( {AB//CD} \right),A\left( {8;4} \right);\,B\left( { - 2;6} \right);\,C\left( {5;0} \right)\). Tọa độ đỉnh \(D\) là
A.\(D\left( {\frac{2}{{13}};\frac{3}{{13}}} \right)\)
B.\(D\left( {\frac{{ - 1}}{{13}};\frac{5}{{13}}} \right)\)
C.\(D\left( {\frac{{55}}{{26}};\frac{{15}}{{26}}} \right)\)
D.\(D\left( {\frac{{ - 10}}{{13}};\frac{{15}}{{13}}} \right)\)
A.\(D\left( {\frac{2}{{13}};\frac{3}{{13}}} \right)\)
B.\(D\left( {\frac{{ - 1}}{{13}};\frac{5}{{13}}} \right)\)
C.\(D\left( {\frac{{55}}{{26}};\frac{{15}}{{26}}} \right)\)
D.\(D\left( {\frac{{ - 10}}{{13}};\frac{{15}}{{13}}} \right)\)
Loga
Hóa Học lớp 12
