Answer:
8n
Step-by-step explanation:
Answer:
Triangle with Blue shape inside. All of the other shapes are divided up in to triangles. The triangle on bottom (with blue shape inside) is divided up into polygons.
Step-by-step explanation:
Answer:
86°
Step-by-step explanation:
b = 29× 2 = 58
d= [180-(86+29)]×2 = 130
a=c=x
a+b+c+d = 360
2x+188= 360
2x= 172
x= 86
a = c = 86°