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A wire when bent in the form of a square encloses an area of 484 sq. cm. If the same wire is bent in the form of a circle, what is the area enclosed by it?1). 264 sq. cm2). 616 sq. cm3). 488 sq. cm4). 492 sq. cm |
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Answer» Area of the square = 484 SQ. cm X2 = 484 ⇒ x = √484 = 22 cm ∴ Length of the wire = 4 × 22 = 88 cm ∴ Circumference of the desired circle = 88 cm ⇒ 2 × 22/7 × radius = 88 ⇒ radius = 14 cm ⇒ Area = 22/7 × 14 × 14 = 616 sq. cm |
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