A) \[78.5\,{{m}^{2}}\]
B) \[77\,{{m}^{2}}\]
C) \[76\,{{m}^{2}}\]
D) \[75\,{{m}^{2}}\]
Correct Answer: A
Solution :
Required Area \[=\frac{1}{4}\times \] (Area of a circle with radius 10m) \[=\frac{1}{4}\times (\pi \times {{10}^{2}})\] \[=\frac{1}{4}\times 3.14\times 100=78.5\,c{{m}^{2}}\]
You need to login to perform this action.
You will be redirected in
3 sec
