using pythagorous 282 + 642 = 4880
square root = 69.856997
69.856997
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Using Pythagoras: 462+282 = 2900 and the square root of this is the diagonal which is about 53.852 feet rounded to 3 decimal places
Sqrt(282 + 402) = a whisker under 48 ft 10 in
57.3062 ft
A Square 28 by 36 - surely that is a rectangle Use Pythagoras' theorem: 282+362 = 2080 and the square root of this number is 45.607017 or about 46 units
find the width of a rectangle if its area is 9/28 of a square foot