Penjelasan dengan langkah-langkah:
A.jari-jari 3,5 meter
K = 2πr = 2 x 22/7 x 3,5 = 77 cm
L = πr² = 22/7 x 3,5 x 3,5 = 38,5 cm²
B.Jari-Jari 25 cm
K = 2πr = 2 x 3,14 x25 = 157 cm
L = πr² = 3,14 x 25 x 25 = 1962,5 cm²
Jawaban:
Langkah langkah ada di file, semoga membantu...
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Verified answer
Penjelasan dengan langkah-langkah:
A.jari-jari 3,5 meter
K = 2πr = 2 x 22/7 x 3,5 = 77 cm
L = πr² = 22/7 x 3,5 x 3,5 = 38,5 cm²
B.Jari-Jari 25 cm
K = 2πr = 2 x 3,14 x25 = 157 cm
L = πr² = 3,14 x 25 x 25 = 1962,5 cm²
Jawaban:
Langkah langkah ada di file, semoga membantu...