Jawaban:
71,4 cm (c)
Penjelasan dengan langkah-langkah:
keliling persegi
=4×s
=4×10
=40 cm
keliling setengah lingkaran
=1/2 keliling lingkaran+jari-jari
=1/2×2×3,14 + 10
=31,4 cm
keliling gabungan
=40+31,4
=71,4 cm
semoga membantu
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Verified answer
Jawaban:
71,4 cm (c)
Penjelasan dengan langkah-langkah:
keliling persegi
=4×s
=4×10
=40 cm
keliling setengah lingkaran
=1/2 keliling lingkaran+jari-jari
=1/2×2×3,14 + 10
=31,4 cm
keliling gabungan
=40+31,4
=71,4 cm
semoga membantu