find the area of the cross road at right angle to each other through the centre of the field

Area of horizontal road = 2 x 75
 = 150 m2
Area of Vertical road = 2 x 62
= 124 m2
Area of intersection of roads = 2 x 2 = 4 m2
So , we need to remove this intersection area from one of the road area
Area of vertical road = 124 - 4
= 120 m2
Then area of roads = 120 + 150
= 270 m2

 
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