Question

Find the cost of fencing a rectangular park of 125m length and 80 m breadth at the rate
of Rs. 3 Per metre.
13
which it aill you choose to marotaras of the following​

Answer 1

Given :-

• Length of a rectangular park = 125 m
• Breadth of a rectangular park = 80 m
• Rate of fencing the park = Rs. 3

To find :-

• Cost of fencing the park

Knowledge Required :-

• Formula to calculate area of rectangle :-

• Area of rectangle = l × b

where,

• l = length of the rectangle
• b = breadth of the rectangle

Solution :-

Area of the rectangular park :-

⠀⠀⠀⇒ Area = l × b

⠀⠀⠀⇒ Area = 125 × 80

⠀⠀⠀⇒ Area = 10,000

Area of the rectangular park = 10,000 m²

Cost of fencing the park = Rate × area

⠀⠀⠀⇒ Cost = 3 × 10,000

⠀⠀⠀⇒ Cost = 30,000

Cost of fencing the park = Rs. 30,000

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Know MorE :-

• Perimeter of reactangle = 2(l + b)
• Diagonal of rectangle = √l² + √b²
• Area of square = side × side
• Perimeter of square = 4 × side
• Diagonal of square = √2a
• Total surface area of cube = 6 × side²
• Volume of cube = side³
• Perimeter of cube = 12 × side
• Total surface Area of cuboid = 2(lb + bh + hl)
• Volume of cuboid =  length × breadth × height
• Perimeter of cuboid = 4 (length + breadth + height)