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32 /2 = 16 >> 16*16 = 256
144 +256 = 400(diakar) >> 20cm (panjang TF)
Panjang TE : 12 cm
Luas ABCD : (belum tau)
Luas sisi tegak ABT = a*t*1/2
32*20*1/2 = 320 cm2
Luas sisi tegak BCT = Luas sisi tegak ABT