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Verified answer
Luas lingkaran I = 616 cm²616 = 22/7 r²
22r² = 4312
r² = 196
r = 14 cm
Luas lingkaran II = (616 - 269,5) cm²
346,5 = 22/7 r²
22r² = 2425,5
r² = 110,25
r = 10,5 cm
Maka, jari-jari berkurang sebesar
= 14 cm - 10,5 cm
= 3,5 cm
Verified answer
L=pi.r²616=22/7.r²
r=14
616-269,5=346,5
346,5=22/7.r²
r=10,5
14-10,5=3,5
jadikan yg terbaik ya