Question

Can someone help me find the value of X

Answer 1

21.9

Explanation:

`a^(2)` +
`b^(2)` =
`c^(2)` If 18 is the whole base then 1/2 would be 9

`9^(2)` +
`20^(2)` =
`c^(2)`

81 + 400 =
`c^(2)`

481 =
`c^(2)`

`√(481)` =
`\sqrt{c^(2) }`

21.9 ≈ c Rounded to the nearest tenth