20) If the rectangular field of perimeter 500 m has length 130 m, find its
breadth.​

2 thoughts on “20) If the rectangular field of perimeter 500 m has length 130 m, find its<br />breadth.​”

1. Step-by-step explanation:

   perimeter = 2(l + b)

   500m = 2 ( 130+b)

   500m =260+2b

   500-260=2b

   240/2=b

   120= b.

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2. Answer:

   65000m ²

   Step-by-step explanation:

   Area of triangle = breathe × height

   = 500m × 130m

   = 1000m × 65m

   = 65000m ²

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