Jawaban:
rumus keliling lingkaran :
K = π.r²
Penjelasan dengan langkah-langkah:
contoh :
d = 14 cm
r = 7 cm
K = π. r × r
= 22/7 × 7 × 7
= 154 cm
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Jawaban:
rumus keliling lingkaran :
K = π.r²
Penjelasan dengan langkah-langkah:
contoh :
d = 14 cm
r = 7 cm
K = π. r × r
= 22/7 × 7 × 7
= 154 cm