A) \[1450c{{m}^{2}}\]
B) \[1440c{{m}^{2}}\]
C) \[1420c{{m}^{2}}\]
D) \[1410c{{m}^{2}}\]
Correct Answer: D
Solution :
\[\Delta ABC\] \[\Delta ABC=\frac{1}{2}\times BC\times AB\] So, outer radius \[ABCD=AB\times BC=l\times b\] So, area of road \[=l+b+l+b\] Put R =385 m and r = 378 m and proceed.
You need to login to perform this action.
You will be redirected in
3 sec
