Tolong di jawab y gaes. Besok di kumpul . PLEASE
Jawaban:
B
A
A
A
Penjelasan dengan langkah-langkah:
5x + 7x = 180
12x = 180
x = 180 / 12
x = 15°
5x
5(15)
= 75°
x + 13 + 2x – 10 = 90
3x + 3 = 90
3x = 90 – 3
3x = 87
x = 87 : 3
x = 29°
2x + 3x + x = 180
6x = 180
x = 180 / 6
x = 30°
2x
2(30)
= 60°
3x + 2x = 180
5x = 180
x = 180 / 5
x = 36°
Detail Jawaban
Mapel : Matematika
Kelas : 7
Materi : Garis dan sudut
Kode Kategorisasi : 7.2.3.5.0