HUBUNGAN JARI-JARI, DIAMETER DAN KELILING LINGKARAN

Quiz
•
Mathematics
•
9th Grade
•
Hard
Supriaten Supriaten
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Jika sebuah lingkaran memiliki jari-jari 7 cm, nilai π manakah yang sebaiknya digunakan untuk memudahkan perhitungan keliling?
A. π = 3,12
B. π = 3,14
C. π = 22/7
D. π = 3,16
2.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Sebuah lingkaran memiliki jari-jari 5 cm. Jika kamu ingin menghitung keliling dengan hasil dalam bentuk desimal, nilai π yang paling sesuai digunakan adalah...
A. π = 3,14
B. π = 22/7
C. π = 3
D. π = 7
3.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Sebuah lingkaran memiliki jari-jari 6 cm. Maka diameter lingkaran tersebut adalah...
A. 3 cm
B. 6 cm
C. 9 cm
D. 12 cm
4.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Jika diameter sebuah lingkaran adalah 10 cm, maka panjang jari-jarinya adalah...
A. 2 cm
B. 5 cm
C. 10 cm
D. 20 cm
5.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Rumus untuk mencari keliling lingkaran jika diketahui jari-jarinya (r) adalah...
A. π × r²
B. π × d
C. 2 × π × r
D. π + r
6.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Jika jari-jari lingkaran adalah 7 cm dan π = 22/7, maka keliling lingkaran tersebut adalah...
A. 44 cm
B. 154 cm
C. 77 cm
D. 22 cm
7.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Hubungan antara jari-jari dan diameter lingkaran yang benar adalah...
A. Diameter = jari-jari
B. Diameter = jari-jari ÷ 2
C. Diameter = 2 × jari-jari
D. Jari-jari = diameter × 2
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