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شائع Word Problems >

the radius of a circle is 19cm. Find its circumference in terms of pi

الحلّ

t h e r a d i u s o f a c i rc l e i s 19 c m . F in d i t s c i rc u m f ere n ce in t er m s o f π

الحلّ

c i rc u m f ere n ce : 38 π c m

+1

عشري

119.38052 \dots

خطوات الحلّ

Given:

r a d i u s : 19 c m

Circle circumference given

r = 19 : C = 38 π

c i rc u m f ere n ce : 38 π c m

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