Answer:
x is three the ratio show you what you need to divide by so triangle a is 3 and triangle b is 8 times larger than triangle a.
Step-by-step explanation:
Let u_n be the n' th term of the sequence.

thus it is clear that:
Answer:
this is the easy if you looking because there should be at least 5cm and 4 and 3 please look I might be wrong