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Verified answer
Bangun Ruang Sisi Lengkung.V = πr²t
r = √[V / (πt)]
= √[192500 cm³ / (22/7 × 50 cm)]
= 35 cm
192.500 cm³ = 22/7 r² 50
192.500 = 157 r²
r² = 192.500 : 157
r² = 1226
r. = √1226
r. = 35 cm