if two equal chords of a circle intersect within the circle prove that the segment of are chard are equal to corresponding segment of other chord
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Since the 4 rows of wires are needed.
Therefore the total length of wires is equal to 4 times the perimeter of rectangle.
Perimeter of field = 2(length + breadth)
= 2(0.7 + 0.5)
= 2 * 1.2
= 2.4 km
= 2.4 * 1000 m
= 2400 m
Thus, the length of wire = 4 * 2400 = 9600 m = 9.6 km
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