Question

7. A wire is bent to form a square of area 484 cm². If it is rebent to form a circle, then find its diameter
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Answer 1

Answer:

Area of square = Area of circle

484cm² = πr². (radius = daimeter)

2

484. =. π(d)²

(2)²

484 x 2x2 = 22(d)²

7

484 x 4 x 7 = d²

22

616. =. d²

√616. = d

24.8 cm = daimeter (d)

Answer 2

Answer:

d = 24.82cm

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