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PEMBAHASAN SOAL BUKU MANDIRI HAL 89-90 NO 72 - 80

PEMBAHASAN SOAL BUKU MANDIRI HAL 89-90 NO 72 - 80. 72. 76. 77. 73. 78. 74. 79. 75. 80. 72. B. AB = diameter AOB = 22,5 cm 2 BOC = 10 cm 2 BOC = …?. C. O. A. A. BACK. 73. B. C. Busur AB = 21 cm Busur BC = 6 cm BOC = …?. 105 0. ●. O. A. D. BACK. 74.

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PEMBAHASAN SOAL BUKU MANDIRI HAL 89-90 NO 72 - 80

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  1. PEMBAHASAN SOAL BUKU MANDIRI HAL 89-90 NO 72 - 80 72 76 77 73 78 74 79 75 80

  2. 72 B AB = diameter AOB = 22,5 cm2 BOC = 10 cm2 BOC = …? C O A A BACK

  3. 73 B C Busur AB = 21 cm Busur BC = 6 cm BOC = …? 1050 ● O A D BACK

  4. 74 AC = diameter AOB = 450 OA = 7 cm luas OBC = …? B 450 C A O BOC = 1800 – 450 = 1350 D BACK

  5. B 75 OA = 10 cm Luasygdiarsir = …? A O Luasarsir = juring BOC – Segitiga BOC B BACK

  6. B 76 OA = 6 cm Busur AB = 5 cm Juring AOB = …? A O D BACK

  7. 77 OA : AB = 3 : 1 OAD = 12 cm2 Luasarsiran = …? C B D A Misal OA = 3x maka OB = 4x O B BACK

  8. 78 Busur AB : OA = 22 : 5 AOB = …? Misalbusur AB = 22x ,makajari-jari (OA) = 5x O A B B BACK

  9. D 79 Jari-jari = 10,5 cm Luasarsiran = …? A C O Luasarsiran = luaslingkaran – luaspersegi B A BACK

  10. 80 B Luasarsiran = 18/7 cm Busur AB = …? A O Arsir = juring AOB – Segitiga AOB B BACK

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