11+ Verbal Reasoning Quick Practice Tests Age 10-11 for the GL Assessment tests (Letts 11+ Success)

11+ Verbal Reasoning Quick Practice Tests Age 10-11 for the GL Assessment tests (Letts 11+ Success)

Matematika tolong dibantu kakak Abang ​

tolong dibantu kakak Abang ​

Jawaban:

diketahui:

diameter inside = 14 cm

radius inside = 7 cm

tinggi silinder = 12 cm

luas permukaan

Luas = luas silinder tanpa tutup (asumsi)

luas = π . r² + 2 . π . r . t

luas = π . r (r + 2 . t)

luas = 22/7 . 7 (7 + 2 . 12)

luas = 22 (31)

Luas = 682 cm²

Penjelasan dengan langkah-langkah:

semoga membantu ya. mohon koreksinya juga. cmiiw :)

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