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3 votes
Help anybody know this one ?

Help anybody know this one ?-example-1
User Umar Khan
by
7.7k points

1 Answer

6 votes
Simple...

you have:

RS=15

RT=18

If you're trying to find ST....

RT-RS=ST

In math..( xD)...

18-15=3

ST=3

Thus, your answer.
User MeLean
by
8.4k points