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1.
The area of a squeare 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?
- A. 60cm
- B. 60cm
- C. 60cm
- D. 60cm
Answer: Option A
Explanation:
Length of rectangle = 25 cm
Breadth of rectangle = 15 cm
Area of rectangle :
=(25×15)cm2=375cm
Area of square :
=(35×375)cm2=225cm2
Side of square :
=225−−−√cm=15cm
Perimeter of square :
=(4×15)cm=60cm
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