A) Rs.60
B) Rs 57
C) Rs 55
D) Rs 52
Correct Answer: B
Solution :
Area of 4 walls \[s=\frac{a+b+c}{2}.\] \[\frac{\sqrt{3}}{2}{{(side)}^{2}}.\] Cost of painting at the rate of 50 paisa per \[=\sqrt{3}\] \[\Delta ABC=\frac{1}{2}\times base\times height=\frac{1}{2}\times BC\times AD\]You need to login to perform this action.
You will be redirected in
3 sec