jawabn: 62,8 cm
Penjelasan dengan langkah-langkah:
cara:20 cm
r=d/2
2xπ x r
2x(3,14)x(d/2)
=628x(20x2)
=6,28 x(10cm)
=62,8cm
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jawabn: 62,8 cm
Penjelasan dengan langkah-langkah:
cara:20 cm
r=d/2
2xπ x r
2x(3,14)x(d/2)
=628x(20x2)
=6,28 x(10cm)
=62,8cm