Yes you can assume they are similar because the sides that correspond with one another are half of the big triangles measurements. 16/2=8 12/2=6 etc.
5 because if you multiply the previous value by 5, you get the next answer
The answer is -10.
I hope this is right...
Answer:
A = 28.26
Step-by-step explanation:
Hello!! The area is:
A = 3.14 ( 3 )²
A = 3.14 ( 9 )
A = 28.26