luas lingkaran yg kelilingnya 37,68 cm adalah

Oleh: USER7371
2 September 2025 matematika 5 menit baca
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Pertanyaan

Grade: Education Mata Pelajaran: matematika
luas lingkaran yg kelilingnya 37,68 cm adalah
Ditanyakan oleh:
45 Dilihat 45 Jawaban

Jawaban (45)

Jawaban Terbaik
(202)
k = phi x d
37.68 = 3.14 x d
37.68/3.14 = d
12 = d
d = 12

jari jari = 1/2 x d = 1/2 x 12 = 6
luas lingkaran
= phi. r²
= 3.14 x 6 x 6
= 113.04 cm²
Dijawab pada tanggal 2 September 2025

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