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Persamaan Lingkaran Kelas XI

Authored by Rulli Amarullah2

Mathematics

11th Grade

Used 1+ times

Persamaan Lingkaran Kelas XI
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19 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Apa rumus untuk menghitung jari-jari lingkaran?

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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