Help pls!! Which scale factor was used to transform triangle MNP to triangle RST?

Step by step explanation:

Here two triangles are given to us . The two triangles are ∆MNP and ∆RST. They are similar to each other . That is ,

Now we know that the corresponding sides of the similar triangles are proportional . Hence here ,

Here we are given the value of side NP as 7 and ST as 2 . So here we can find out the scale factor by dividing these two .

fist on the left goes with the third on the right. second on the left goes with the fourth on the right. third on the left goes with the second on the right. the fourth on the left goes with first on the right