Pertanyaan

S e b u ah t ab u n g t i gg in y a 30 c m d an d iam e t er a l a s n y a 14 c m . Lu a s se l u r u h p er m u kaan t ab u n g a d a l ah .... ( π = 7 22 ​ ) .

  1. 60 space cm squared

  2. 120 space cm squared

  3. 300 space cm squared

  4. 600 space cm squared

A. Rizky

Master Teacher

Mahasiswa/Alumni Universitas Negeri Malang

Jawaban terverifikasi

Pembahasan

D i a m e t e r space equals space 14 comma space r space equals space 7  L u a s space p e r m u k a a n space t a b u n g space equals space 2 πr left parenthesis straight r plus straight t right parenthesis  space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals space 2 cross times 22 over 7 cross times 7 cross times left parenthesis 7 plus 30 right parenthesis  space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals space 44 cross times 37  space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals space 1.628 space cm squared

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Pertanyaan serupa

Diketahui luas selimut suatu tabung adalah 1.408 cm 2 . Jika jari-jari alasnya 14 cm , tentukan: a. tinggi tabung.

Jawaban terverifikasi

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