√2cm വശമുള്ള സമചതുരക്കട്ടയുടെ ഉപരിതല പരപ്പളവ് എത്ര?
A2cm²
B4 cm²
C12 cm²
D2 √2cm²
A2cm²
B4 cm²
C12 cm²
D2 √2cm²
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The area of square is and the radius of circle is of the length of a side of the square. what is the ratio of the perimeter of the square and the circumference of the circle ?