Question

The cost of fencing a field of dimension 50m by 60m at the rate of rupees 20 per meter is _ .

Answer 1

Answer:

60,000

Step-by-step explanation:

Length of the field = 50m

Breadth of the field = 60m

Area of the field = length of field × breadth of field

Area of the field = 50m×60m

Area of the field = 3000m^2

Rate of fencing per m^2 = 20

Rate of fencing = 3000×20

Rate of fencing = 60000

The cost of fencing is rupees 60,000

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Answer 2

$\underline{\red {Question :}}$

The cost of fencing a field of dimension 50 m by 60 m at the rate of Rs 20 per meter is ?

$\underline{\blue {Solution :}}$

$\underline{\bold {Given}}$

• Length of the field = 50 m
• Breadth of the field = 60 m

$\underline{\bold {To\:Find}}$

• Cost of fencing the field.

When we have to find cost of fencing in unit then we find perimeter of the given figure.

$\fbox{\purple{Perimeter\:of\:the\:field=2 (l+b }}$

$= > Perimeter = 2( l+ b) \\ = >Perimeter = 2( 50 \: m + 60 \: m )\\ = > Perimeter = 2 \times 110 \: m$

$\fbox{\pink{Perimeter=220\:m}}$

Cost of fencing per m = Rs 20

Cost of fencing 220 m

= Rs (20×220)

= Rs 4400

$\fbox{\green{Cost\: of\: fencing\: 220 \:m= Rs\:4400}}$

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