Question

kak tolong di jawab yang benar ya kak 1 sampai 5​

Answer 1

Verified answer

Penjelasan dengan langkah-langkah:

1. r = 14 cm

t = 5 cm

volume tabung

= π x r² x t

= 22/7 x 14 x 14 x 5

= 616 x 5

= 3.080 cm³

2. d = 40 cm

r = 1/2 . d

r = 1/2 . 40

r = 20 cm

t = 56 cm

volume tabung

= π x r² x t

= 22/7 x 20 x 20 x 56

= 70.400 cm³

3. d = 2m

r = 1/2 . d

r = 1/2 . 2

r = 1 m

t = 6 m

volume

= π x r² x t

= 3,14 x 1 x 1 x 6

= 18,84 m³

= 18.840 dm³ = 18.840 L

4. r = 35 cm

d = 1 m = 100 cm

volume

= π x r² x t

= 22/7 x 35 x 35 x 100

= 385.000 cm³

= 385 dm³ = 385 L

5. d = 1 m

r = 1/2 . d

r = 1/2 . 1

r = 0,5 m

r = 50 cm

t = 1,05 m

t = 105 cm

volume

= π x r² x t

= 22/7 x 50 x 50 x 105

= 825.000 cm³

bak sudah terisi 2/3 nya maka, tinggal 1/3 lagi yg belum terisi. Sehingga yg harus ditambahkan sebanyak,

= 1/3 x 825.000

= 275.000 cm³

= 275 dm³ = 275 L