MathematicsHard202×since 2002Q5857If A(1,−1,2),B(5,7,−6),C(3,4,−10)\mathrm{A}(1,-1,2), \mathrm{B}(5,7,-6), \mathrm{C}(3,4,-10)A(1,−1,2),B(5,7,−6),C(3,4,−10) and D(−1,−4,−2)\mathrm{D}(-1,-4,-2)D(−1,−4,−2) are the vertices of a quadrilateral ABCD, then its area is :A24724 \sqrt{7}247B48748 \sqrt{7}487C242924 \sqrt{29}2429D122912 \sqrt{29}1229Check answerSkip