Question

What is the value of x?

Answer 1

9

Explanation:

x =
`\sqrt{c^(2) - a^(2) }`

x =
`\sqrt{15^(2) - 12^(2) }`

x =
`√(225 - 144)`

x =
`√(81)`

x = 9

Answer 2

x = 9

Explanation:

12^2+x^2 = 15^2

==> x = 9