A square has a side length of 3 inches. What is the length of the diagonal distance across the square?
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Answer:
3√2
Step-by-step explanation:
by using pythagoras theorem
s²+ s²= diagonal² (hypotenuse)
3²+3²= diagonal²
18= diagonal ²
√18= diagonal
√(9×2)= diagonal
3√2= diagonal
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