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Jawaban ESPS (Matematika) Kelas 4 Halaman 171

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Matematika Hal 171

1.
a. <A = 45°
<B = 60°
<C = 75°
Jumlah : 45° + 60° + 75° = 180°

b. <A = 110°
<B = 40°
<C = 30°
Jumlah : 110° + 40° + 30° = 180°

c. <A = 90°
<B = 55°
<C = 35°
Jumlah : 90° + 55° + 35° = 180°

d. <A = 60°
<B = 60°
<C = 60°
Jumlah : 60° + 60° + 60° = 180°

e. <A = 30°
<B = 115°
<C = 35°
Jumlah : 30° + 115° + 35° = 180°

2.
a. 180° - 95° - 30° = 55°
b. 180° - 20° - 35° = 125°
c. 180° - 30° - 100° = 50°
d. 180° - 55° - 55° = 70°
e. 180° - 40° - 90° = 50°

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