The sum of radii of two circle is 7 cm and the difference of their circumference is 8 cm .find the circumference of the circle
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r¹+r²=7
2*22/7(r¹-r²)=
r¹-r²=8*7/44
r¹r²
2*22/7(r¹-r²)=
r¹-r²=8*7/44
r¹r²
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by help of pic u can calculate answer using 2pie r
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