A square measuring 30 multiply 30 is taken out of a square measuring 60 multiply 60 metre find the parameter and area of the left over portion.
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Answered by
8
The old square has side = 60m
The square removed has a side 30m
New perimeter will be = 60+60+30+30+30+30
therefore
New perimeter = 240m
Area of new square will be = (Area of old - Aea of removed)
= 60×60 - 30×30
= 2700m²
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Answered by
3
Perimeter= 30x30+30x30+60x60+60x60=9000
Area=30x30x60x60=3240000
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