
Latihan Soal Lingkaran
Authored by Ledya Ella Sartika
Mathematics
8th Grade
Used 1+ times

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9 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
Sebuah juring memiliki sudut 90º dan jari-jarinya 7 cm. Berapakah panjang busur juring tersebut?
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
Sebuah juring memiliki sudut 60° dan diameter lingkaran 20 cm. Berapakah luas juringnya?
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
Carilah luas juring AOB pada lingkaran berikut, jika diketahui θ = 72° dan jari-jari r = 14 cm!
Evaluate responses using AI:
OFF
Answer explanation
Luas juring = 72/360 × 22/7× 14² = 72/360 × 22/7 × 14 × 14 = 123,2
4.
OPEN ENDED QUESTION
3 mins • 1 pt
Indah akan membuat kerajinan dari kertas warna dengan sudut pusat 135 derajat, jika jari
jari kipas 14 cm, maka luas kipas yang dibuat Indah adalah .. cm persegi
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Answer explanation
Luas kipas = luas juring
135/360 × 22/7 × 14² = 135/360 × 22/7 × 14 × 14 = 231 cm²
5.
OPEN ENDED QUESTION
3 mins • 1 pt
Panjang busur lingkaran adalah....
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Answer explanation
Panjang busur = 80/360 × 2 × 22/7 × 7 = 9,7
6.
OPEN ENDED QUESTION
3 mins • 1 pt
Tentukan besar sudut c!
Evaluate responses using AI:
OFF
Answer explanation
60 + c = 180
c = 180 - 60
c = 120
7.
OPEN ENDED QUESTION
3 mins • 1 pt
Perhatikan gambar di atas, panjang jari OA adalah 16 cm dan panjang garis singgung AP adalah 30 cm. Panjang garis OP adalah...
Evaluate responses using AI:
OFF
Answer explanation
OP = √OA² + AP²
= √16² + 30²
= √256 + 900
= √1.156
= 34
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