Question

OMG PLZZZZZZZ HELP ME!!!!!! IM SO CLUELESS!!!!

Need work shown!!!

Answer 1

The answer is 10

Explanation:

First, take the length from the other sides which is

18/20 then simplify it

you get 9/10

so the answer is 10

Answer 2

The answer is 10
Because from 18 to 9, you half it.
So half of 20 is 10
:)))