

Matematika
Presentation
•
Mathematics
•
6th Grade
•
Hard
Hurriyah Khalida
Used 56+ times
FREE Resource
4 Slides • 6 Questions
1
Lingkaran
Panjang busur
Keliling juring

2
Multiple Choice
Unsur lingkaran berupa lengkungan yang menghubungkan 2 titik pada lingkaran, seperti pada gambar di samping disebut ....
tali busur
busur
juring
jari-jari
3
Perhatikan unsur lingkaran di samping
Busur: lengkungan yang menghubungkan 2 titik pada lingkaran
4
Multiple Choice
Hubungan keliling lingkaran, pi (𝜋), dan jari-jari yang tepat adalah ....
𝐾 = 𝜋 × 𝑑
𝐾 = 𝜋 × 1/2 × 𝑟
𝐾 = 2 × 𝜋 × 𝑟
𝑑 = 𝜋 × 𝐾
5
Keliling lingkaran 𝐾=2×𝜋×𝑟
Keliling lingkaran merupakan panjang semua busur pada lingkaran secara utuh.
6
Multiple Choice
Unsur lingkaran berupa daerah yang dibatasi 2 jari-jari dan busurnya, disebut ....
tembereng
juring
diameter
lingkaran
7
Keliling juring terdiri dari 3 sisi:
satu buah busur = keliling ¾ lingkaran dua sisi r = 28 cm.
Keliling = panjang busur + r + r
= (¾×2×𝜋×𝑟 ) + r + r
= (3/4 × 2 x 22/7 × 28 cm) + 28 cm + 28 cm
= 132 cm + 28 cm + 28 cm
= 188 cm
Jadi, keliling bangun adalah 188 cm.
8
Multiple Choice
Keliling bangun di bawah ini adalah ... cm.
33
54
75
86
9
Multiple Choice
Keliling bangun di bawah ini adalah ... cm.
72
102
116
144
10
Multiple Choice
Keliing bangun datar di bawah ini adalah ... cm
1028
1128
1228
1428
Lingkaran
Panjang busur
Keliling juring

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