Question

If a circle is enlarged to have a circumference that is four times the original, then the original radius was multiplied by four. True or False?

Answer 1

\[C=2 \pi r\]
solve for r:
\[r=\frac{C}{2 \pi}\]
If you multiply C by 4, then the radius is also multiplied by 4.
True

Answer 2

ty

Answer 3

yw