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L segitiga = a x t /2 = 16 x 6 /2 = 48
L persegi panjang = p x l = 4 x 8 = 32
L total = 48 + 32 = 80
2). Luas total = 148 = a x t /2 + p x l
148 = 10 x t /2 + 16 x 6
148 = 5t + 96
52 = 5t
10,4 = t
= 1/2.8.6
= 24cm²
L.prsgpnjg = p.l
= 4.4
= 16cm²
L.gabungan = L.S + LPP
= 24+16
= 40 cm²
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