SOLUTION: the diagonal of a square field is 90 m. what is its area?

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Question 774227: the diagonal of a square field is 90 m. what is its area?
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
This is a right angled triangle
with vertical side = base side.
The diagonal = hypotenuse = 90m
90^2 = 8100 This is the total of
the two side squares.
8100/2 = 4050
Both side squares equal one
another
Square root of 4050 = 63.62m
This is the side measurement.
Area = Vertical side * base side
Area = 4050.1m^2
Hope this helps.
:-)