plis Jawab kak dengan cAra
No. 1
a = 126°
180 - 54 = 126°
b = 54°
c = 50°
180 - 130 = 50°
d = 20°
2d + 10 = 50
2d = 50 - 10
2d = 40
d = 20°
.
No. 2
sudut A
= 180 - 135
= 45°
.
sudut D = sudut B = 135°
[tex].[/tex]
180 - 54 = 126°
180 - 130 = 50°
2d + 10 = 50
2d = 50 - 10
2d = 40
d = 20°
.
sudut A
= 180 - 135
= 45°
.
sudut D = sudut B = 135°
[tex].[/tex]