Question

girish wants to fence a rectangular field. whose area is 400 sq. m if its length is 40m. then find its perimeter.​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

Let the breadth be x

Area of a rectangle = length × breadth

400m² → 40m × x

→ x = 400/40 = 10m

breadth = 10m

Perimeter of a rectangle = 2(length +breadth)

→ 2 (40 + 10)m

→ 2 × 50m

= 100m

Perimeter = 100m