Question

find the diameter of a circle whose area is 628 cm²(use
$\pi$
= 3.14 ).​

Answer 1

Answer:

d = 7.071 cm

Step-by-step explanation:

given data,

area of circle {A} = 628 cm^2

you know that,

area of circle = πr^2

then, by given the area of circle

628 = π r^2

r = √{628/3.14}

r = 14.142 cm

you know that,

diameter of circle{d}=radiusof circle{r}/2

d = 14.142/2

d = 7.071 cm

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