
Uji Pengetahuan Lingkaran
Authored by Ir. Lorensius
Mathematics
8th Grade

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35 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa saja unsur-unsur lingkaran?
Jari-jari, sisi, sudut, dan garis lengkung.
Titik sudut, garis lurus, bidang datar, dan segitiga.
Pusat, garis, sudut, dan persegi.
Unsur-unsur lingkaran adalah titik pusat, jari-jari, diameter, tali busur, dan busur.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebutkan rumus untuk menghitung luas lingkaran!
L = π × r²
A = 4πr
S = πd
L = 2πr
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bagaimana cara menghitung keliling lingkaran?
K = 2 × π × r
K = π × d
K = 4 × π × r
K = π × r²
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang dimaksud dengan jari-jari lingkaran?
Jari-jari lingkaran adalah ukuran sudut di pusat lingkaran.
Jari-jari lingkaran adalah panjang garis lurus di dalam lingkaran.
Jari-jari lingkaran adalah jarak antara dua titik di tepi lingkaran.
Jari-jari lingkaran adalah jarak dari pusat ke tepi lingkaran.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebutkan contoh penerapan lingkaran dalam kehidupan sehari-hari!
Bola basket
Kursi
Meja
Contoh penerapan lingkaran dalam kehidupan sehari-hari adalah roda kendaraan, jam dinding, dan piring.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika jari-jari lingkaran adalah 7 cm, berapa luasnya?
49π cm²
28 cm²
21π cm²
14π cm²
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa hubungan antara diameter dan jari-jari lingkaran?
Diameter adalah dua kali jari-jari lingkaran.
Diameter dan jari-jari tidak memiliki hubungan.
Diameter adalah setengah dari jari-jari lingkaran.
Jari-jari adalah dua kali diameter lingkaran.
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