The perimeter of a square is 12cm. What will be its area?
Options:
A .  16 cm2
B .  9 cm2
C .  20 cm2
D .  4 cm2
Answer: Option B : B Perimeter of a square = 4 × Side Given: Perimeter = 12 cm ⇒ 12 cm = 4 × Side ⇒ Side = 124 = 3 cm The area of a square = side × side =3 cm × 3 cm = 9 cm2
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