June 2019 1 123 Report
Ali membuat parasut besar dari plastik berbentuk belahan bola sebanyak 15 buah. Jika panjang diameter 4 m dan π = 3,14, luas plastik minimal yang diperlukan adalah...
A. 188,4 m2
B. 376,8 m2
C. 616 m2
D. 753,6 m2


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