Yes all equilateral triangles are congruent. You can prove congruence with two congruent angles and all equilateral triangles will have 60º angles. Which is enough to prove similarity
Answer:
C
Step-by-step explanation:
Answer: 31311620
Step-by-step explanation: Calculator
Hope this helps!! Ccccccccffffff
The primeter is the outside p=2+2 +3+1+1 so the primiter is 9