2. Jika sudut pusat adalah 60 derajat, berapa sudut keliling yang terbentuk oleh busur yang sama?

SUMATIF AKHIR TAHUN KELAS XI

Quiz
•
Mathematics
•
11th Grade
•
Hard
FITRIANA FITRIANA
Used 2+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
150 derajat
120 derajat
180 derajat
90 derajat
2.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
4. Hitung luas juring yang dibentuk oleh sudut pusat 90 derajat pada lingkaran dengan jari-jari 8 cm.
8π cm²
20π cm²
16π cm²
12π cm²
3.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
5. Jika luas juring adalah 32 cm² dan sudut pusatnya 120 derajat, berapa jari-jari lingkaran tersebut?
r = √(64/π) cm
r = 12 cm
r = √(96/π) cm
r = 8 cm
4.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
6. Sebuah lingkaran memiliki jari-jari 5 cm. Hitung luas tembereng yang terbentuk oleh sudut pusat 45 derajat.
12.25 cm²
15.70 cm²
7.50 cm²
9.82 cm²
5.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
7. Jika sudut keliling adalah 30 derajat, berapa besar sudut pusat yang sesuai?
90 derajat
30 derajat
60 derajat
45 derajat
6.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
9. Hitung luas juring yang terbentuk oleh sudut pusat 150 derajat pada lingkaran dengan jari-jari 12 cm.
75π cm²
45π cm²
30π cm²
60π cm²
7.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
10. Sebuah tembereng memiliki luas 25 cm² dan sudut pusat 60 derajat. Hitung jari-jari lingkaran tersebut.
r = √(150/π) ≈ 6.9 cm
r = 10 cm
r = 5 cm
r = 8 cm
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