A field was to be fenced using 816 posts placed 4 metres apart, leaving a 4 metre space for the gate. If 3 strands of...

      

A field was to be fenced using 816 posts placed 4 metres apart, leaving a 4 metre space for the gate. If 3 strands of wire were to be used, what would be the total length of wire required?

A. 3 260
B. 3 264
C. 9780
D. 9 792

  

Answers


Wilfred
The correct answer is [C]

- Length of the wire for 1 strand= perimeter of the field = (816-1) x 4
= 815 x 4 = 3260
- For the 3 strands = 3260 x 3
= 9780m
Wilfykil answered the question on July 29, 2019 at 06:54


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