Let us say length of AB and BC are 3a,a. Then area of the rectagle is 3a^2.
By pythagoras theorem, 9a^2 + a^2 = 5^2
=> 10 a^2 = 25
=> a^2 = 2.5
therefore area of the rectanga is 7.5 Square units.
-- James
Let us say length of AB and BC are 3a,a. Then area of the rectagle is 3a^2.
By pythagoras theorem, 9a^2 + a^2 = 5^2
=> 10 a^2 = 25
=> a^2 = 2.5
therefore area of the rectanga is 7.5 Square units.
-- James
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