Jawab:
B. 84 cm
Penjelasan dengan langkah-langkah:
Keliling bangun
= 4 + 4 + 9 + 20 + 18 + (20 - 4) +
(18 - 9 + 4)
= 8 + 29 + 18 + 16 + 13
= 37 + 34 + 13
= 71 + 13
= 84 cm
Semoga membantu...
Semoga bermanfaat...
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Jawab:
B. 84 cm
Penjelasan dengan langkah-langkah:
Keliling bangun
= 4 + 4 + 9 + 20 + 18 + (20 - 4) +
(18 - 9 + 4)
= 8 + 29 + 18 + 16 + 13
= 37 + 34 + 13
= 71 + 13
= 84 cm
Semoga membantu...
Semoga bermanfaat...