the area of a square is three - fifths the area of a rectangle. the length of the rectangle is 25 cm and its breadth is 10 cm less than its length. what is the perimeter of the square?
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Answer:length of rectangle is 25cm
It's breadth is 15cm
Area=l×b
=25×15=375
Area of square is 375×3/5
=225
Side×side=225
Side=√225
=15
Perimeter=4side
=4×15
=60
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7
Answer: 60 cm
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