no 8 pake cara nilai a =
Matematika
bintangananda1
Pertanyaan
no 8 pake cara
nilai a =
nilai a =
1 Jawaban
-
1. Jawaban Anonyme
Kelas 7 Matematika
Bab Garis dan Sudut
5a + 15° = 90° + 2a
5a - 2a = 90° - 15°
3a = 75°
a = 75°/3
a = 25°