Question

Find the value of y
A)6/3
B)6
C)2/3
D)4

Answer 1

y = A (
`6√(3)`)

Explanation:

`x^(2) +y^(2) = 12^(2)=144\\y^(2)-9^(2)=x^(2) -3^(2) \\x^(2) -y^(2)=-72\\2y^(2)=216\\y^(2)=108\\ y=√(108)=6√(3)`