EXERCISE 11.1
A square and a rectangular field with
measurements as given in the figure have the same
perimeter. Which field has a larger area?
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Answer:
60 = side of square.
80 m = Length.
= 2 ( l + b) = 4 side.
= 2 ( 80 + b) = 4 × 60
= 160 + 2b = 240
= b = 40
40 m = Breath.
= (60)2 = 3600 m²
= L × B = [ 80 × 40 ]
= 3200 m²
.•. Area of square field is larger.
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