
LINGKARAN KELAS XI - P.2
Presentation
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
Fathul Ulum
Used 17+ times
FREE Resource
6 Slides • 0 Questions
1
UNSUR-UNSUR LINGKARAN
2
Unsur-unsur lingkaran terdiri dari:
1. Titik Pusat (P): Titik yang menjadi pusat lingkaran yang terletak tepat di tengah lingkaran
2. Jari-jari (r): jarak antara pusat lingkaran dengan titik pada lingkaran
3. Diameter (d): garis yang menghubungkan dua titik pada lingkaran melalui titik pusat
4. Busur Lingkaran: garis berbentuk melengkung pada tepian lingkaran
5. Tali Busur: garis yang menghubungkan dua titik pada lingkaran
6. Juring Lingkaran: daerah yang dibatasi oleh busur dan dua jari-jari lingkaran
7. Tembereng: daerah yang dibatasi oleh busur dan tali busur
8. Apotema: garis yang menghubungkan titik pusat dengan tali busur (tegak lurus dengan tali busur)
3
UNSUR-UNSUR LINGKARAN
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PANJANG BUSUR & LUAS JURING
A. PANJANG BUSUR LINGKARAN
PANJANG BUSUR AB =
B. LUAS JURING LINGKARAN
LUAS JURING AOB =
buka contoh di LKS
HAL. 57, Contoh 1 & 2
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COBA KERJAKAN SOAL PADA LKS HAL. 57 - 58
PILIH 1 SOAL SAJA.
*SATU MEJA PEMILIHAN SOAL HARUS BERBEDA
6
MARI KITA BERDISKUSI
IKUTI ARAHAN PADA HALAMAN 58
UNSUR-UNSUR LINGKARAN
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