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Yang satu lagi = 6/2 = 3, maka tingginya = 3x3 = 9
9 x 6/2 = 27cm^2
3.t=6
t=2 cm
yg bangun 2 harus sebangun t-nya jadi
t bangun 2=6:2=x/3
18=2x
x=9 cm=tinggi bangun 2
maka luas bangun 2=6.9/2=27 cm²