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Yes, he does, but normally he would use a modern calculator. In the past architects and engineers would use slide rules (which are essentially mathematical tables in ruler form. An important bit of kit for a house builder is a giant 3:4:5 triangle of wood, which creates a perfect right-angled joint; rather like a giant set square. That works because adding together the squares of 3 and 4 you have 25, which is the square of 5
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Irrational numbers between 2 and 2.5?
There are infinitely many of them. They include square root of (4.41) square root of (4.42) square root of (4.43) square root of (4.44) square root of (4.45) square root of (5.3) square root of (5.762) square root of (6) square root of (6.1) square root of (6.2)
What is the difference between principal square root and perfect square root?
A principal square root is any square root that's answer is positive, and a perfect square root is a square root that's answer is an integer.
What is the square root of 20 in simplest form?
square root of 20 = square root of 4 * square root of 5. square root of 4 = 2, so your answer is 2 square root of 5.
What is the square root of 24 minus square root of 6?
Square root (24) - square root (6) = 2.44948974
Is 63 a square root?
We will walk through the definition of the square root of 63, find out whether the square root of 63 is rational or irrational, and see how to find the square root of 63 by the long division method. ... Square Root of 63.
