October 2018 1 142 Report
Diketahui jajargenjang ABCD memiliki ukuran AB = 6 cm, AD = 10 cm, dan BD = 14 cm. Luas jajargenjang tersebut..... cm^{2} .
a. 10 \sqrt{3}
b. 15 \sqrt{3}
c. 15 \sqrt{5}
d. 30 \sqrt{3}
e. 30 \sqrt{5}
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