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sisi 1/panjang = 17 cm
sisi 2/lebar = 19 cm (15+4)
Keliling = 2 (p+l)
= 2 (17+19)
= 34 + 38
= 72 cm (C)
→ (17 x 2) + (19 x 2)
→ 34 + 38
→ 72 cm