Question

Help Please!!! Direct Variation....
In a circle, the circumference and diameter vary directly. Without using a value of , find the diameter of a circle with a circumference of 154 if you know that in a second circle the diameter is 14 when the circumference is 44.

Answer 1

@.Sam. can you please help me??? :)

Answer 2

They said that
Circumference=diameter

By comparing both the circles, rearranging the equation

\[\frac{Circumference_1}{Diameter_1}=\frac{Circumference_2}{Diameter_2}\]
\[\frac{154}{Diameter_1}=\frac{44}{14}\]
\[Diameter_1=49\]