QUIZ matematika
no gasal
no bahasa elien
no copas
pakai jalannya
no gasal
no bahasa elien
no copas
pakai jalannya
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Jawab:
x = 30
Penjelasan dengan langkah-langkah:
Segitiga
A+B+C = 180
maka
3x+10+x+15+35 = 180
4x+60 = 180
4x = 180-60
4x = 120
x = 120÷4
x = 30
[[ KLF ]]
Penjelasan dengan langkah-langkah:
A + B = 180° - C
x + 15 + 3x + 10 = 180 - 35
4x + 25 = 145
4x = 145 - 25
4x = 120
x = 120/4
x = 30°
jĀvīËr s.K