Question

the area of the circular field is 13.86 square metre. Find the circumference of the field

Answer 1

Answer:

Step-by-step explanation:

Area of circle= 13.86

22/7r×r=13.86

r×r=1386/100×7/22

r×r=441/100

r=21/10=2.1

Circumference = 2×22/7×r=2×22/7×21/10

=44×3/10=13.2m

Answer 2

Here is your answer-

let,
Area of circular field ( circle ) = 13.86

By using formula...

Area of circular field = πr^2

13.86 = 22/7 × r^2

r^2 = 13.86 × 7 / 22

r^2 = 4.41

r = √4.41

r = 2.1 m

Now,
Circumference of the field ( circle ) = 2πr
= 2 × 22/7 × 2.1

= 44 × 0.3

= 13.2 m

Therefore, the Circumference of the field is 13.2 m


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