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Latihan Soal Lingkaran

Authored by Ledya Ella Sartika

Mathematics

8th Grade

Used 1+ times

Latihan Soal Lingkaran
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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?

Evaluate responses using AI:

OFF

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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OFF

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

Evaluate responses using AI:

OFF

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

Media Image

Panjang busur lingkaran adalah....

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OFF

Answer explanation

Panjang busur = 80/360 × 2 × 22/7 × 7 = 9,7

6.

OPEN ENDED QUESTION

3 mins • 1 pt

Media Image

Tentukan besar sudut c!

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OFF

Answer explanation

60 + c = 180

c = 180 - 60

c = 120

7.

OPEN ENDED QUESTION

3 mins • 1 pt

Media Image

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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