5th Class
Mathematics
Area, Perimeter and Volume
Question Bank
Perimeter and Area
question_answer
Four poles are stuck into the square ground of side 30 m at the four corners. A rope fence is to be put around the poles. What length of rope will be required if 2 m are required for tying the knots?
A) 120 m
B) 118 m
C) 122 m
D) None of these
Correct Answer:
D
Solution :
: Length of rope required \[=30\times 4+2\times 4=120+8=128\,m\]