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Hitunglah luas tabung tanpa tutup pada gamb diameter tabung 12 cm tinggi 15 cm??

Rani Maharani

Pertanyaan

Hitunglah luas tabung tanpa tutup pada gamb diameter tabung 12 cm tinggi 15 cm??

Jawaban

Luas tabung tanpa tutup dapat ditemukan dengan menggunakan rumus:

Luas = 2 * π * r * h + 2 * π * r^2

di mana r adalah jari-jari lingkaran dasar tabung, dan h adalah tinggi tabung.

Jari-jari dapat ditemukan dengan membagi diameter dengan 2: r = 12 cm / 2 = 6 cm

Maka, Luas = 2 * π * 6 * 15 + 2 * π * 6^2 = 180π cm^2 (atau sekitar 571,96 cm^2)

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