SOLUTION: squares plugs are often used to check the diameter of a hole. What must the length of the side of the plug be to test a hole with a diameter of 3.16cm?

Question 353565: squares plugs are often used to check the diameter of a hole. What must the length of the side of the plug be to test a hole with a diameter of 3.16cm?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
Hi,
*Note: it is the length diagonally of the square peg used to test a hole that measures the diameter of the hole.
.
Let x be the length of each side of square plugs.
x^2 + x^2 = 3.16cm^2
.
2x^2 = 3.16cm^2 = 9.986 cm^2
x^2 = 4.993
x = 2.23cm
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