A) halved
B) doubled
C) tripled
D) quadrupled
Correct Answer: D
Solution :
[d] \[2\pi r=4\pi \] |
\[r=2\] |
Area \[=\pi {{(2)}^{2}}=4\pi \] |
When, \[2\pi r=8\pi \] |
\[r=4\] |
\[\therefore \] Area \[=16\,\pi \] |
You need to login to perform this action.
You will be redirected in
3 sec