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5 votes
Can someone plz help!!​

Can someone plz help!!​-example-1

1 Answer

2 votes

Answer:

8.94427191...

Explanation:

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

441 - 361 =
x^(2)


x^(2) = 80

x = 8.94427191...

User Alexi Coard
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