April 2019 1 26 Report
Jika jari-jari tabung = jari-jari bola, maka selisih antara luas permukaan bola dan tabung adalah....
A. 2 π ( t + r)
B. 2 π r ( t - r )
C. 2 π r ( r - t )
D. 2 r2 ( π - r)



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