Apa rumus untuk menghitung jari-jari lingkaran?
Persamaan Lingkaran Kelas XI

Quiz
•
Mathematics
•
11th Grade
•
Hard
Rulli Amarullah2
Used 1+ times
FREE Resource
19 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
r = C / π
r = 2C
r = C / 4
r = C / (2π)
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jika pusat lingkaran berada di titik (3, 4) dan jari-jari 5, tuliskan persamaan lingkaran tersebut.
(x - 3)² + (y - 4)² = 30
(x - 3)² + (y + 4)² = 20
(x - 3)² + (y - 4)² = 25
(x + 3)² + (y - 4)² = 25
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bagaimana cara menentukan pusat lingkaran dari persamaan (x-2)² + (y+3)² = 16?
(0, -3)
(2, -3)
(4, -3)
(2, 3)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gambarlah lingkaran dengan pusat di (1, -2) dan jari-jari 3.
Circle with center (1, -1) and radius 2.
Circle with center (1, -2) and radius 1.
Circle with center (1, -2) and radius 3.
Circle with center (0, -2) and radius 5.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hitunglah keliling lingkaran dengan jari-jari 7 cm.
30.14 cm
40 cm
43.96 cm
50.24 cm
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika pusat lingkaran adalah (0, 0) dan jari-jari 10, apa persamaan lingkaran tersebut?
x² + y² = 50
x² + y² = 10
x² + y² = 100
x² + y² = 200
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dari persamaan lingkaran (x+1)² + (y-2)² = 25, tentukan pusat dan jari-jarinya.
Pusat: (0, 2), Jari-jari: 4
Pusat: (-1, 2), Jari-jari: 5
Pusat: (-1, -2), Jari-jari: 7
Pusat: (1, 2), Jari-jari: 3
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