217 28 Marks 8:10
48%
A book has a front and a back and 400 pages.
The front and back cover are each 0.9 mm thick, measured to 1 decimal place.
Each page is 0.13 mm thick, measured to two decimal places.
Calculate the minimum thickness of the book.
Some working must be shown.
I

square root of 36/6 = 2.449489743

square root of 16/6 = 1.632993162

square root of 6 = 2.449489743

the answer is square root of 16/6 because the square root of 36/6 is the same answer as square root of 6 = 2.449489743

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

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i need a picture

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its a trick question

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dogs love water, just turn on the hose and it will run in circles chasing the water all day : )