
Persamaan lingkaran yang berpusat di titik O (0,0)
Presentation
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
Radhiah Radhiah
Used 1+ times
FREE Resource
3 Slides • 2 Questions
1
Kelas XI
By Radhiah, S.Pd
2
Poll
Apa kabar anak-anak semua hari ini
Alhamdulillah sehat
Alhamdulillah kurang sehat
Alhadulillah baik
3
Berdasarkan teorema phytagoras kita peroleh:
QX2+OY2=OT2
x2+y2=r2
Jadi persamaan lingkaran yang berpusat di titik O(0,0) adalah x2+y2=r2
Persamaan lingkaran yang berpusat di titik O(0,0)
4
Contoh:
Tentukan persamaan lingkaran yang berpusat di titik O(0,0) dan melalui titik (2,3)!
Penyelesaian:
x2+y2=r2
r2=22+32
r2=13
Jadi persamaan lingkarannya adalah x2+y2=r2
5
Multiple Choice
Persamaan lingkaran yang berpusat di titik O(0,0) dan melalui titik (-4,3) adalah
x2+y2=7
x2+y2=9
x2+y2=16
x2+y2=20
x2+y2=25
Kelas XI
By Radhiah, S.Pd
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