Apa rumus untuk menghitung jari-jari lingkaran jika diameter diketahui?

Mengenal Lingkaran dan Teorema Sudut

Quiz
•
Mathematics
•
11th Grade
•
Medium
FATHUL MUIN
Used 2+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
jari-jari = diameter / 2
jari-jari = diameter + 2
jari-jari = diameter * 2
jari-jari = diameter - 2
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Jika jari-jari lingkaran adalah 7 cm, berapa diameter lingkaran tersebut?
14 cm
16 cm
12 cm
10 cm
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Hitung keliling lingkaran dengan jari-jari 10 cm. (Gunakan π = 3.14)
31.4 cm
78.5 cm
62.8 cm
50 cm
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Sebuah lingkaran memiliki diameter 14 cm. Berapa jari-jarinya?
7 cm
10 cm
6 cm
8 cm
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Jika sudut pusat lingkaran adalah 60 derajat, berapa besar busur yang terbentuk jika panjang lingkaran adalah 31.4 cm?
7.8 cm
3.14 cm
5.23 cm
10.5 cm
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Hitung luas lingkaran dengan jari-jari 5 cm. (Gunakan π = 3.14)
78.5 cm²
100 cm²
31.4 cm²
50 cm²
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Sebuah busur lingkaran memiliki panjang 15 cm dan sudut pusat 45 derajat. Berapa panjang lingkaran penuh?
75 cm
150 cm
90 cm
120 cm
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