Add the length width and height all together
Answer:
<h3>

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Step-by-step explanation:



?
Now, Using Pythagoras theorem

plug the values
⇒
Evaluate the power
⇒
Swap the sides of the equation
⇒
Move constant to right hand side and change it's sign
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Calculate the difference
⇒
Squaring on both sides
⇒
Hope I helped!
Best regards!
Answer:
1/30 of an hour
Step-by-step explanation: