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Tolong kak bantu jawab :)
Tolong kak bantu jawab :)
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Jawaban:
K = 4 + 8 + 5 + 10 + 8
= 35 cm
L∆ = ½ × a × t
= ½ × 5 × 4
= 10 cm²
L persegi panjang = p × l
= 4 × 8
= 32 cm²
L gabungan = 10 + 32
= 42 cm²