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פּוֹפּוּלָרִי Word Problems >

circle has an area of 20ft^2 What is the circumference of the circle (Round to 3 decimal places)?

פתרון

c i rc l e ha s an a re a o f 20 f t^{2} Wha t i s t h e c i rc u m f ere n ce o f t h e c i rc l e (R o u n d t o 3 d ec ima l pl a ces) ?

פתרון

c i rc u m f ere n ce : 45 π f t

+1

עשרוני

15.85330 \dots

צעדי פתרון

Given:

a re a : 20 f t^{2}

A re a = 20

רדיוס המעגל בהינתן:

r = \frac{2 5}{π}

r = \frac{2 5}{π}

היקף המעגל בהינתן:

C = 45 π

c i rc u m f ere n ce : 45 π f t

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