12t/2=96 , t=16
[AECD]=8x16=128
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12t/2=96 , t=16
[AECD]=8x16=128
L segitiga = 1/2 × a × t
96 = 1/2 × 12 × t
96 = 6t
t = 16 cm
Luas jajar genjang
= a × t
= 8 × 16
= 128 cm²