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latihan besar sudut dalam segitiga

Authored by Muhammad Baihaqi

Computers

7th Grade

Used 2+ times

latihan besar sudut dalam segitiga
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5 questions

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1.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Media Image

1.       Pada gambar berikut ∠A = 40º .  ∠B = 90º (siku2) . Besar  ∠C adalah ...

30

40

50

60

Answer explanation

ingat besar sudut dalam segitig ialah 180

sehingga

∠A + ∠B + ∠C = 180

40 + 90 + ∠C = 180

130 + ∠C = 180

130 + ∠C - 130 = 180-130 (kedua ruas dikurang 130)

0 + ∠C = 50

∠C = 50

2.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Media Image

2. Pada gambar berikut ∠P = 70º ,  ∠Q = 30º   Besar  ∠R adalah ...           

70

80

90

100

Answer explanation

ingat besar sudut dalam segitiga = 180

∠P + ∠Q + ∠R = 180

70 + 30 + ∠R = 180

100 + ∠R = 180

100 + ∠R - 100 = 180 - 100 (kedua ruas dikurang 100)

0 + ∠R = 80

∠R = 80

jadi besar ∠R = 80

3.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Media Image

  1. pada gambar besar ∠P  adalah … .

60

70

80

90

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Pada gambar berikut  ∠B = 90º (siku2) . Besar  ∠A adalah ...

36

49

55

60

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

5. pada gambar berikut besar ∠C ialah … .  

40

50

60

70

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