tolong bantu ya pakai cara?
Matematika
Nora2121
Pertanyaan
tolong bantu ya pakai cara?
2 Jawaban
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1. Jawaban cupid85
K = π × d
132 = 22/7 × d
132 × 7 = 22 × d
924 = 22 × d
d = 924 ÷ 22
d = 42 cm
r = 42 ÷ 2
r = 21 cm
V = π × r² × t
= 22/7 × 21 × 21 × 16
= 22.176 cm³ ( A ) -
2. Jawaban khanascoutt
k = 2 pi r
132 cm = 44/7 × r
v = pi × r^2 × t
= 22/7 × 21 × 21 × 16
= 22176 cm