530,023 views
38 votes
38 votes
Can someone plz help!!​

Can someone plz help!!​-example-1
User Laurie Cheers
by
3.0k points

1 Answer

16 votes
16 votes

Answer:

8.94427191...

Explanation:

21*21 - 19*19 =
x^(2) \\\\

441 - 361 =
x^(2)


x^(2) = 80

x = 8.94427191...

User Chintan Joshi
by
3.0k points