Diameter alas tabung 20 dm. Jika volume tabung 4.710 dm3, berapa dm3 tingginya?? Mohon bantuannya pake cara ☺

Question

Matematika Diposting : 2017-10-14 Diupdate : 2017-11-13 Blesmana95

Pertanyaan

Diameter alas tabung 20 dm. Jika volume tabung 4.710 dm3, berapa dm3 tingginya??

Mohon bantuannya pake cara ☺

Answer 1

La = 1/4 × 3,14 × 20 × 20 = 314 dm2
t. = 4.710 ÷ 314 = 15 dm

Answer 2

vol = La × t
4.710 dm³ = 3,14 × 10 × 10 × t
4.710 = 314 t
t = 4710 ÷ 314
t = 15 dm