Keliling dan Luas Lingkaran
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Fahisal Abidin
FREE Resource
Student preview

10 questions
Show all answers
1.
FLASHCARD QUESTION
Front
Bagian lingkaran berikut yang disebut dengan Apotema adalah.... garis AB, busur AB, garis DE, garis CF
Back
garis CF
Answer explanation
Apotema adalah garis yang menghubungkan pusat lingkaran dengan titik pada lingkaran. Dalam pilihan yang ada, garis CF adalah garis yang memenuhi definisi tersebut, sehingga merupakan jawaban yang benar.
2.
FLASHCARD QUESTION
Front
Daerah yang diarsir pada gambar berikut adalah .... busur, juring, tali busur, tembereng
Back
tembereng
Answer explanation
Daerah yang diarsir pada gambar adalah tembereng, yaitu bagian dari lingkaran yang dibatasi oleh dua jari-jari dan busur. Pilihan lain seperti busur, juring, dan tali busur tidak tepat untuk menggambarkan area tersebut.
3.
FLASHCARD QUESTION
Front
Back
11 m
4.
FLASHCARD QUESTION
Front
Luas lingkaran dengan diameter 20 cm (\(\pi=3,14\)) adalah ....
Back
314 \(cm^2\)
5.
FLASHCARD QUESTION
Front
Back
94,2 m
Answer explanation
Jarak yang ditempuh roda dapat dihitung dengan rumus: Jarak = Keliling x Jumlah Putaran. Keliling = π x Diameter = 3,14 x 0,5 m = 1,57 m. Jadi, Jarak = 1,57 m x 60 = 94,2 m. Pilihan yang benar adalah 94,2 m.
6.
FLASHCARD QUESTION
Front
Back
21 cm
7.
FLASHCARD QUESTION
Front
Back
88 cm
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