Question

Work out length of x

to 3 Significant Figures

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HURRY UP TO ANSWER I HAVE 10 MINUTES REMAINING BEFORE I HAVE TO ANSWER

Answer 1

3.32

Explanation:

`4.7 ^2 = 22.09`

`22.09/2 = 11.045`

then we can find the square root,
`√(11.045) = 3.32`

now we can check our answer:

`a^2 + b^2 = c^2`

`3.32^2 + 3.32^2 = 4.7^2`

`11.0224 + 11.0224 = 22.0448`

and
`√(22.0448) = 4.6951` or 4.7