Teorema Phytagoras

Teorema Phytagoras

8th Grade

10 Qs

quiz-placeholder

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Teorema Phytagoras

Teorema Phytagoras

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Medium

Created by

Ulum Rosyidah

Used 9+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 10 pts

Dari kelompok tiga bilangan berikut ini yang merupakan tripel phytagoras adalah...

2, 3, 4

3, 4, 5

4, 5, 6

5, 6, 7

2.

MULTIPLE CHOICE QUESTION

2 mins • 10 pts

Sebuah segitiga siku-siku, panjang sisi siku-sikunya adalah 12 cm dan 5 cm, maka panjang sisi miringnya adalah...

17 cm

15 cm

14 cm

13 cm

3.

MULTIPLE CHOICE QUESTION

2 mins • 10 pts

Dari kelompok tiga bilangan berikut yang bukan merupakan tripel phytagoras adalah...

7, 15 dan 17

5, 12 dan 13

6, 8 dan 10

  1. 3, 4 dan 5

4.

MULTIPLE CHOICE QUESTION

2 mins • 10 pts

Media Image

Jika diketahui panjang BC = 7 cm dan panjang AB = 24 cm, tentukan panjang AC!

15 cm

17 cm

24 cm

25 cm

Answer explanation

Gunakan rumus phytagoras

AC2 = AB2 + BC2

AC2 = 72 + 242

AC2 = 49 + 576 = 625

AC = √625 = 25 cm

5.

MULTIPLE CHOICE QUESTION

2 mins • 10 pts

Jika terdapat tripel phytagoras (a, 11, 61) dan 61 merupakan bilangan terbesar, maka nilai a adalah...

60

45

30

15

Answer explanation

a = √612 - 112

a = √3721 - 121

a = √36000

a = 60

6.

MULTIPLE CHOICE QUESTION

2 mins • 10 pts

Media Image

Jika diketahui panjang BD = 4cm maka panjang Ac adalah...

9,3 cm

9,5 cm

9,8 cm

10 cm

Answer explanation

AD = BD√3

AD = 4√3

AC = AD√2

= 4√3 x √2

= 4√6

≈ 9,8

7.

MULTIPLE CHOICE QUESTION

2 mins • 10 pts

Sebuah kapal berlayar sejauh 15 km ke arah Utara, kemudian berbelok kearah Barat sejauh 36 km. Jarak dari titik awal keberangkatan kapal ke titik akhir adalah...

22 km

32 km

21 km

31 km

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