Sepotong kawat yang panjangnya 124 cm dipotong menjadi 5 bagian sehingga panjang setiap potongnya membentuk Barisan Geometri. Jika potongan kawat yang paling pendek adalah 4 cm, potongan kawat yang paling panjang adalah...
Barisan dan Deret Geometri

Quiz
•
Mathematics
•
1st Grade - University
•
Medium
siti r
Used 3+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Selembar kertas dipotong menjadi dua bagian. Setiap bagian dipotong menjadi dua dan seterusnya. Jumlah potongan kertas setelah potongan kelima sama dengan …
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3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pada sebuah deret geometri diketahui bahwa suku pertamanya adalah 3 dan suku ke-9 adalah 768. Suku ke-7 deret tersebut adalah …
192
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4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jumlah 6 suku pertama deret geometri 2 + 6 + 18 + … adalah …
723
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5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sebuah mesin gerinda berputar pada menit ke 1 sebanyak 100 putaran, pada menit ke 2 sebanyak 110 putaran, pada menit ke 3 sebanyak 120 putaran, pada menit ke 4 sebanyak 130 putaran, dan seterusnya dengan penambahan yang tetap tiap menitnya. Banyak putaran mesin gerinda jika bekerja terus menerus selama ¼ jam adalah ... putaran
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