Matematika plis tolong kasih tau jawaban no 18 dan 19 pakai cara ​

bernhardmorarulv – March 10, 2023

plis tolong kasih tau jawaban no 18 dan 19

pakai cara ​

Soal 18.

Volume kubus = 54.872 liter = 54.872 dm³

V = s³

54.872 = s³

s = ³√54.872

s = 38 dm

(Jawaban C)

=> Pembuktian :

• = 38 dm x 38 dm x 38 dm
• = 1.444 dm² x 38 dm
• = 54.872 dm³

Soal 19.

Tinggi Limas = 36 cm

Volume Limas = 1.452 cm³

V = 1/3 x Luas alas x tinggi

1.452 = 1/3 x s² x 36

1.452 = 12 x s²

s² = 1.452 / 12

s² = 121

s = √121

s = 11 cm

(Jawaban C)

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