Tolong dibantu yaa.. hari selasa mau UN :)

A x t / 2 = 6 x 8 / 2 = 24
Maaf klu salah

DC = 6 , AB = 12
L.BCD = L.trapesium - L.segitiga
= 1/2 (12+6) . 8 - 1/2 . 12 . 8
= 1/2 . 18 . 8 - 1/2 . 12.8
= 9.8 - 6.8
= 72 - 48
= 24 cm