Persamaan Lingkaran

Sumber gambar: mathware.com

Pada postingan kali ini, penulis ingin membahas mengenai persamaan lingkaran. Semoga bermanfaat!

Definisi:
Lingkaran adalah himpunan titik titik yang berjarak sama terhadap titik pusat.
Bentuk Umum dari persamaan lingkaran dengan pusat (0,0) adalah
This is the rendered form of the equation. You can not edit this directly. Right click will give you the option to save the image, and in most browsers you can drag the image onto your desktop or another program.

This is the rendered form of the equation. You can not edit this directly. Right click will give you the option to save the image, and in most browsers you can drag the image onto your desktop or another program.

Dengan r adalah jari jari lingkaran.
Sedangkan bentuk umum dari persamaan lingkaran dengan pusat (a,b) adalah
This is the rendered form of the equation. You can not edit this directly. Right click will give you the option to save the image, and in most browsers you can drag the image onto your desktop or another program.

Contoh:
1. Tentukan pusat dan jari jari dari lingkaran dengan persamaan
This is the rendered form of the equation. You can not edit this directly. Right click will give you the option to save the image, and in most browsers you can drag the image onto your desktop or another program.

Jawab:
Berdasarkan bentuk umum lingkaran, diketahui bahwa pusat lingkaran adalah (0,0) dan jari-jari
lingkaran adalah
This is the rendered form of the equation. You can not edit this directly. Right click will give you the option to save the image, and in most browsers you can drag the image onto your desktop or another program.

2. Pusat lingkaran dan jari-jari lingkaran dari persamaan lingkaran
This is the rendered form of the equation. You can not edit this directly. Right click will give you the option to save the image, and in most browsers you can drag the image onto your desktop or another program.

Jawab:
Berdasarkan bentuk umum lingkaran, kita tentukan pusat lingkaran terlebih dahulu dengan cara
berikut:
This is the rendered form of the equation. You can not edit this directly. Right click will give you the option to save the image, and in most browsers you can drag the image onto your desktop or another program.

Sehingga, pusat lingkaran dari persamaan tersebut adalah P(3,-1). Jari-jari
lingkaran adalah
This is the rendered form of the equation. You can not edit this directly. Right click will give you the option to save the image, and in most browsers you can drag the image onto your desktop or another program.

3. Pusat lingkaran dan jari jari lingkaran dari persamaan lingkaran
This is the rendered form of the equation. You can not edit this directly. Right click will give you the option to save the image, and in most browsers you can drag the image onto your desktop or another program.

adalah ....
Jawab:
Langkah pertama adalah mengubahnya persamaan lingkaran
This is the rendered form of the equation. You can not edit this directly. Right click will give you the option to save the image, and in most browsers you can drag the image onto your desktop or another program.

Pusat lingkaran
a+3= 0
a= -3

b-4=0
b=4
P(-3,4)
This is the rendered form of the equation. You can not edit this directly. Right click will give you the option to save the image, and in most browsers you can drag the image onto your desktop or another program.

Persamaan Lingkaran

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