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شائع Word Problems >

The circumference of a circle is 22pi ft. What is the area, in square feet? Express your answer in terms of pi

الحلّ

T h e c i rc u m f ere n ce o f a c i rc l e i s 22 π f t . Wha t i s t h e a re a, in s q u a re f ee t ? E x p ress yo u r an s w er in t er m s o f p i

الحلّ

a re a : 121 π f t^{2}

+1

عشري

380.13271 \dots

خطوات الحلّ

Given:

c i rc u m f ere n ce : 22 π f t

Radius given

C i rc u m f ere n ce = 22 π : r = 11

Circle Area given

r = 11 : A = 121 π

a re a : 121 π f t^{2}

أمثلة شائعة

There are 4 consecutive integers with a sum of 50. Which integers are they?A is 28 years older than B. In 6 years, A will be three times as old as B. How old is A now If two dice are rolled, what is the probability of getting a sum of 9?the product of a number and 6 less than the number is 27. find the number riley is r years old. his father is 28 years older than him and is also twice as old as him. an equation that represents this is