Math
posted by Jane .
Please explain how this is set up and how to work it. thanks
A rectangular box is 4cm wide, 4cm tall, and 10cm long. What is the diameter of the smallest circular opening through which the box will fit? Round to the nearest tenth of a centimeter.

Math 
MathMate
We will certainly fit the box through the width and the height (4x4) instead of through the length (4x10).
The circular opening should have a diameter equal to the diagonal of the box (4x4).
Hint: use Pythagoras theorem to calculate the diagonal. 
Math 
Jane
Thank you, but this did not help me.

Math 
Steve
Ouch. You do not know about the Pythagorean Theorem?
If not, look it up; you will be needing it a lot from now on. After that, come on back and we can clarify what you did not understand. 
Math 
Jane
Thank you so much. You guys have been a lot of help to me in the past. I will study it more.

Math 
KIM
So would it be 4 squared plus 4 squared equals 32 then you take the square root of 32? Which is 5.65.
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