A rectangular plot measuring 90 meters by 50 meters is to be enclosed by wire fencing. If the poles of the fence are kept 5 meters apart. How many poles will be needed?	Choose the most appropriate option:
A) 46m  B) 66m  C) 26m  D) 56m  E) 25m
Perimeter of the plot = 2(90+50) = 280m   no of poles =280/5= 
<gadget id="calculator">280/5</gadget>
<output>56</output>
56m   Answer: 56m
<result>D</result>
A rectangular plot measuring 90 meters by 50 meters is to be enclosed by wire fencing. If the poles of the fence are kept 5 meters apart. How many poles will be needed?