Answer:
0.651, 0.67, 1.79, 3.2, and 9
Step-by-step explanation:
Both triangles are the same but ones bigger so that means
AB=RS
ST=BC
AC=RT
Which means
How many 6 go into 18
How many 3 go into 9
How many 5 go into 15
They all 3
So the answer is it is enlarged by 3
2 / 4 x 100
= .50 x 100
= 50%