I NEED HELP PLEASE, THIS IS DUE TOMORROW

Answer:
2
Step-by-step explanation:
Divide each of the corresponding sides by each other. 8/4 =2, 6/3=2, and lastly 10/5 = 2. The ratio is 2.
Answer:
x2
Step-by-step explanation:
assuming the triangles are similar triangles, the hypotenuse from figure a needs to be multiplied by 2 to become the length of the hypotenuse from figure b. The same goes for the rest of the sides of figure a. They all need to be multiplied by 2 to become the length of the sides of figure b.