If the circumference of a circle increases from 4pi to 8 pi, what change occurs in the area ?	Choose the most appropriate option:
A) Area is quadrupled B) Area is tripled C) Area is doubles D) Area become half E) None of these
Explanation:   2πR1=4π   =&gt;R1=22πR2=8π   &gt;R2=4Original Area =4π∗22=16πNew Area =4π∗42=64π   So the area quadruples.   Option Area is quadrupled
<result>A</result>
If the circumference of a circle increases from 4pi to 8 pi, what change occurs in the area ?