Question

Find the value of x (Round to the nearest tenth)


Pls pls help!!!!

Answer 1

28.32

Explanation:

using the formula
`a^(2) +b^(2) =c^(2)`, you get
`21^(2) +19^(2) =c^(2)`.

then you get
`441+361=802`

your answer needs to be the square root of 802.

the square root of 802 is 28.319604517

Which rounded to the nearest tenths is 28.32