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SEMIFINAL MATEMATIKA OSIRIS 2025

Authored by osiris official

Mathematics

9th Grade

Used 15+ times

SEMIFINAL MATEMATIKA OSIRIS 2025
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15 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 4 pts

Jumlah sudut dalam sebuah segitiga adalah:

360 derajat

180 derajat

90 derajat

270 derajat

2.

MULTIPLE CHOICE QUESTION

45 sec • 4 pts

Jika f(x) = x^2 + 3x - 4, berapakah f(2)?

4

6

8

10

3.

MULTIPLE CHOICE QUESTION

45 sec • 4 pts

Sebuah kantong berisi 3 bola merah dan 2 bola biru. Berapakah peluang mengambil bola merah?

3/5

2/5

1/2

3/2

4.

MULTIPLE CHOICE QUESTION

45 sec • 4 pts

Berapakah luas lingkaran dengan jari-jari 7 cm? (Gunakan pi = 22/7)

154 cm²

49 cm²

44 cm²

77 cm²

5.

MULTIPLE CHOICE QUESTION

45 sec • 4 pts

Jika sin theta = 3/5, berapakah cos theta?

4/5

3/5

5/3

2/5

6.

MULTIPLE CHOICE QUESTION

45 sec • 4 pts

Jika Anda melempar dadu bersisi enam, berapakah peluang mendapatkan angka genap?

1/3

1/2

2/3

1/6

7.

MULTIPLE CHOICE QUESTION

45 sec • 4 pts

Berapakah rata-rata dari data berikut: 8, 10, 12, 14, 16?

10

11

12

13

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