

Bab 7 Lingkaran
Presentation
•
Mathematics
•
KG
•
Hard
iffanalia usman
FREE Resource
8 Slides • 2 Questions
1
Bab 7 Lingkaran
Kelas VIII
Tahun Ajaran 2021/2022
By iffanalia usman
2
Lingkaran adalah himpunan semua titik dengan jarak yang sama (disebut jari-jari) dari suatu titik tertentu (disebut titik pusat)
Pengertian Lingkaran
3
Iffanalia SMP Negeri 2 Bermutu Lubuklinggau
4
Multiple Choice
Garis yang membelah lingkaran menjadi dua dan selalu melalui titik pusat lingkaran adalah ...
Busur
Diameter
Tali Busur
Jari-jari
5
Keliling Lingkaran (K)
Luas Lingkaran (L)
Jari-jari : r
Diameter : d
π = 22/7 atau π = 3,14
Rumus : K = 2 π r atau K = π d
Rumus :
L = π r2
atau
L = 1/4 π d2
6
Multiple Choice
Keliling sebuah lingkaran 88 cm. Luas lingkaran tersebut adalah ...
308 cm2
1.232 cm2
616 cm2
2.464 cm2
7
8
9
Sudut Pusat
dan
Sudut Keliling
10
Bab 7 Lingkaran
Kelas VIII
Tahun Ajaran 2021/2022
By iffanalia usman
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