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AB x BC = 60 BC x FB = 24
BC = 6 FB = 4
L ABFE = AB x FB = 10 x 4 = 40
Lp = 2 (L ABCD + L BCGF + L ABFE)
= 2 (60 + 24 + 40)
= 2 . 124
= 248 cm²