100 Techniques: Master a Lifetime of Cooking Skills, from Basic to Bucket List (ATK 100 Series)

100 Techniques: Master a Lifetime of Cooking Skills, from Basic to Bucket List (ATK 100 Series)

Matematika kak tolong jawab soal 1-3 nya ya makasih​

kak tolong jawab soal 1-3 nya ya makasih​ nomor 3 sama dengan nomor 1

Nomor 1

Diketahui:

Balok

  • p = 9 cm
  • l = 5 cm
  • t = 18 cm

Kubus

  • r = 5 cm

Ditanyakan:

  • V gabungan = ... cm³?

Penyelesaian:

V gabungan = V balok + V kubus

V gabungan = (p × l × t) + (r × r × r)

V gabungan = (9 × 5 × 18) + (5 × 5 × 5)

V gabungan = (45 × 18) + (25 × 5)

V gabungan = 810 + 125

V gabungan = 935 cm³

Nomor 2

Diketahui:

Balok

  • p = 15 cm
  • l = 12 cm
  • t = 15 cm

Kubus

  • r = 12 cm

Ditanyakan:

  • V gabungan = .... cm³?

Penyelesaian:

V gabungan = V balok + V kubus

V gabungan = (p × l × t) + (r × r × r)

V gabungan = (15 × 12 × 15) + (12 × 12 × 12)

V gabungan = (180 × 15) + (144 × 12)

V gabungan = 2.700 + 1.728

V gabungan = 4.428 cm³

Nomor 3

Diketahui:

Balok

  • p = 9 cm
  • l = 5 cm
  • t = 18 cm

Kubus

  • r = 5 cm

Ditanyakan:

  • V gabungan = .... cm³?

Penyelesaian:

V gabungan = V balok + V kubus

V gabungan = (p × l × t) + (r × r × r)

V gabungan = (9 × 5 × 18) + (5 × 5 × 5)

V gabungan = (45 × 18) + (25 × 5)

V gabungan = 810 + 125

V gabungan = 935 cm³

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