Question

tolong dijawab,jngn ngasal dan pake caranya. maturnuwun:v ​

Answer 1

Jawaban:

15. d

16. d

17. b

Penjelasan dengan langkah-langkah:

Volume = ⅓ × Luas Alas × Tinggi

= ⅓ x 10 x 12 x 18

= 720 cm³

Volume = π r² t

= 3,14 x 25 x 25 x 50

= 98.125 cm³

ubah liter ke cm

282,6 liter = 282.600 cm

Volume = π r² t

282.600 = 3,14 x r² x 100

282.600 = 314 r²

r² = 282.600 : 314

r² = 900

r = √900

r = 30 cm

d = r x 2

= 30 x 2

= 60 cm

Answer 2

15) Volume limas segi empat:

V = 1/3 x Luas alas x t limas

= 1/3 x (10 x 12) x 18

= 120 x 6

= 720 cm³  [C]

16) Volume tabung:

V = πr²t

= 3,14 x 25² x 50

= 31,4 x 625 x 5

= 98.125 cm³  [D]

17) V = 282,6 liter = 282,6 dm³ = 282.600 cm³

Cari jari-jari gunakan rumus volume tabung:

V = πr²t

282.600 = 3,14 x r² x 100

282.600/314 = r²

r² = 900

r = √900

r = 30 cm  [A]

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