d = 20 cm
r = 10 cm
π = 3,14
Luas permukaan ½ bola:
Jawaban: 628 cm²
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Verified answer
Penyelesaian:
d = 20 cm
r = 10 cm
π = 3,14
Luas permukaan ½ bola:
Jawaban: 628 cm²