I don't like that is not a question
Take the 5 in 15 and multiply it by 2. Write it. Then take the 5 and multiply it by 1. Write it. On the next line write a zero and then take the 1 multiplied by 2 and then 1 times 1. Here is an example... it's a little complicated to explain but here...
12
15
----
60
120
-------
180
So sorry I can't explain things well...
Answer:
55m
Step-by-step explanation:
a²+b²=c²
19 x 19 = 361
52 x 52 = 2704
2704 + 361= 3065
the square root of 3065 is 55.4 so round that to 55.
I’m not for sure but I think 6