Triangle,quadrilateral,pentagon,hexagon,octagon,decagon.
Triangle quadrilateral octagon - regular
rest are not. Someone might need to check me if im right about regular and irregular :) Hope I helped
Answer:
85500000
Step-by-step explanation:
Answer:
its D
Step-by-step explanation:
-12y+14-9y=14
-21y=0
y=0, x=7
Answer:
The length of DE is 5 because they are similar triangle .