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شائع Word Problems >

The circumference of a circle is 13pi in. What is the area, in square inches? Express your answer in terms of pipi.

الحلّ

T h e c i rc u m f ere n ce o f a c i rc l e i s 13 π in . Wha t i s t h e a re a, in s q u a re in c h es ? E x p ress yo u r an s w er in t er m s o f p iπ .

الحلّ

a re a : 132.73 i n^{2}

خطوات الحلّ

Given:

c i rc u m f ere n ce : 13 π in

Radius given

C i rc u m f ere n ce = 13 π : r = 6.5

Circle Area given

r = 6.5 : A = 132.73228 \dots

a re a : 132.73 i n^{2}

أمثلة شائعة

4 A stone is dropped from a point 120m from the ground. Find the diameter of a circle is 14 what is the circumference When 2 is added to three times a certain number it gives a result of 20.96,470,000, Express this number in scientific notation.twice the difference of a number and 6 equals-19