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Verified answer
MAPEL = MATEMATIKAKELAS = 9
BAB = KESEBANGUNAN & KONGRUENSI
diketahui =
AD = 10cm
EF = 12cm
BC = 16cm
AE = 6cm
EB = x cm
ditanya = luas trapesium EBCF ??
mencari nilai x
nilai x = tinggi trapesium EBCF
L. trap EBCF = ½(jumlah sisi sejajar)×t
= ½ × (12 + 16) × 12
= ½ × 28 × 12
= 14 × 12
= 168cm²
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