Lingkaran Kelas 6

Quiz
•
Mathematics
•
6th Grade
•
Hard
Anisa Maulidia
Used 2+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rumus dari keliling lingkaran adalah
K = 2 x Л x d
K = 2 x Л x r
K = Л x r²
K = Л x d²
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rumus dari luas lingkaran adalah ….
L = 2 x Л x r
L = 2 x Л x d
L = Л x r²
L = Л x d²
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sebuah lingkaran dengan panjang jari jari 7 cm. Maka keliling lingkaran tersebut adalah …. cm.
22 cm
88 cm
44 cm
154 cm
Answer explanation
Keliling Lingkaran (K) = 2 x Л x r
= 2 x 22/7 x 7
= 2 x 22
= 44 cm.
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sebuah piring snack berbentuk lingkaran dengan panjang jari jari 10 cm. Maka keliling piring snack tersebut adalah …. cm.
31,4 cm
62,8 cm
314 cm
628 cm
Answer explanation
Keliling lingkaran = Л x r
= 2 x 3,14 x 10
= 6,28 x 1o
= 62,8 cm.
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Keliling bangun lingkaran ini adalah ….
3,14 cm
6,28 cm
62,8 cm
314 cm
Answer explanation
Keliling (K) = Л x d
K = 3,14 x 20
= 62,8 cm
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Sebuah tutup ember berbentuk lingkaran dengan keliling adalah 154 cm. Maka jari-jari tutup ember tersebut adalah …. cm
24,5
32,8
35
36,9
Answer explanation
Keliling lingkaran (K) = 2 x Л x r
154 = 2 x Л x r
154 : 2 = 22/7 x r
77 = 22/7 x r
77 : 22/7 = r
77 x 7/22 = r
r = 24,5 cm.
7.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Luas lingkaran di atas adalah …. cm²
22,5
24,5
38,5
42,5
Answer explanation
gambar di atas merupakan luas ¼ bagian dari lingkaran, sehingga menjadi
Luas bagian lingkaran = ¼ x luas lingkaran
L = ¼ x Л x r²
= ¼ x 22/7 x 7 x 7
= ¼ x 22 x 77
= ½ x 11 x 7
= ½ x 77
= 38,5 cm.
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