perhatikan gambar di samping!tentukan besar:a.nilai x b.

Mapel : Matematika
Materi : Garis dan Sudut
Kelas : 7
=====================

Sudut Siku siku = 90°
5x + x = 90°
6x = 90°
x = 90°/6
x = 15°

b] Nilai BOC

= x
= 15°

c] Nilai COD

= 5x
= 5(15°)
= 75°