(b) 44√2 cm Radius of the circle (r) = 28 cm ∴ Circumference of the circle = 2πr = 2 x
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x 28 = 176 cm According to the question, Perimeter of square = 176 cm ⇒ 4 x side = 176 ⇒ side = 44 cm ∴ Diagonal of square = √2 x side = √2 x 44 = 44 √2cm