Question

the perimeter of a circular and square fields are equal if the area of the square field is 484m then the diameter of the circular field is​

Answer 1

The area of the square field is 484 sq cm.

Then then the length of the field is Sq. root of 484 cm =22 cm

Perimeter of the field is 22*4 cm = 88 cm = perimeter of circular field

If the radius of the circular field is r, then 2Pi r = 88

or, r = 88/2pi = 44/pi

Area of circular field = pi r^2 = pi* (44/pi)^2

=1936*3.14 = 6079.04 sq.cm

Answer 2

Answer:

Correct Answer:

C) 28 metre

Description for Correct answer:

Side of square field

= 484−−−√ = 22 metre

Circumference of circular field = Perimeter of square field

=> 2 π r = 4 × 22

=> 2 × 227 × r = 4 ×22

=> r = 14 metre

∴ Diameter = 28 metre

Explanation:

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