Apa rumus untuk menghitung luas sektor lingkaran?

Luas dan Keliling Sektor Lingkaran

Quiz
•
Others
•
9th Grade
•
Hard
Darrius Furianto
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
L = πr²/2
L = θ × r
L = (θ/360) × πr²
L = 2πr
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jika jari-jari lingkaran adalah 7 cm dan sudut pusat 60 derajat, berapa luas sektornya?
20.00 cm²
15.70 cm²
25.67 cm²
30.14 cm²
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Apa rumus untuk menghitung keliling sektor lingkaran?
K = π * r^2
K = 2 * π * r
K = r + s
K = 2 * r + s
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jika jari-jari lingkaran adalah 10 cm dan sudut pusat 90 derajat, berapa keliling sektornya?
10 cm
31.42 cm
20 cm
15.71 cm
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Sebutkan satu aplikasi dari sektor lingkaran dalam kehidupan sehari-hari!
Jam dinding
Roda pada kendaraan
Piring
Kursi
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jika luas sektor lingkaran adalah 15 cm² dan sudut pusat 30 derajat, berapa jari-jari lingkaran tersebut?
5 cm
10 cm
15 cm
√(180/π) cm
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Bagaimana cara menghitung luas sektor lingkaran jika diketahui jari-jari dan sudut pusatnya?
Luas sektor lingkaran = θ * r
Luas sektor lingkaran = (θ/360) * π * r²
Luas sektor lingkaran = (θ/180) * π * r²
Luas sektor lingkaran = 2 * π * r
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