if you multiply the radius of one circle by 5, by what factor does the circumference grow by

Also If you multiply the radius on one circle by 5, by what factor does the area grow by.
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1 Answer

??????????? sircomeferens ???????????

yu meen serkel rimlength

rimleng=2*pi*radius

if radius2=5*radius1, rimleng2=5*rimleng1
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