Answer:
24
Step-by-step explanation:
Equilateral has 3 angles that add up to 180, and all angles are equal
3(2x+12) = 180
6x+36 = 180
180-36 = 6x
144 = 6x
24 = x
2x+12=60
2x=60-12
2x=48
x=24
Equilateral triangles have equivalent angles each of 60°
2.6
by similar property
can yhu see the answer i put?