Parmindar walks once around a square park and covers 800 m. Find area of park.
Step 1: Understand the shape
It is a square. All four sides are equal.
Step 2: Use the perimeter formula
Perimeter of a square = (4 imes ext{side}).
Step 3: Put the given perimeter
Given perimeter = (800 ext{m}).
So, (4 imes ext{side} = 800).
Step 4: Find one side
( ext{side} = dfrac{800}{4}).
( ext{side} = 200 ext{m}).
Step 5: Use the area formula
Area of a square = ( ext{side} imes ext{side}).
Step 6: Calculate the area
( ext{Area} = 200 ext{m} imes 200 ext{m}).
( ext{Area} = 40{,}000 ext{m}^2).
Final Answer: (40{,}000 ext{m}^2).