A) 19. 2
B) 21.22
C) 20. 4
D) 25
E) None of these
Correct Answer: B
Solution :
Explanation Option [b] is correct. Area \[\operatorname{s}=\frac{\sqrt{3}}{4}\times {{7}^{2}}=21.22\,sq.\,m.\]You need to login to perform this action.
You will be redirected in
3 sec