Answer:
x =27
Step-by-step explanation:
from Z angls rule the agle (BDE) =72
and total angl on D =180
so, 2x +2x+72=180
4x = 180 -72
4x = 108 (divied both sides by 4)
x= 27
Answer:
What?
Step-by-step explanation:
Answer:
it's A 10
Step-by-step explanation:
10+20= 30
so 15×2=30
5+10=15
2( = ×2