Question

The length and breadth of a rectangular piece of land are 500m and 300m respectively. Find its perimeter, area,the cost of land if 1m sq. of land costs rs. 10,000.


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Answer 1

Answer:

perimeter = 2 (l+b)

= 2×(500+300)

=1600 m

area = l×b

=500×300

=150000 sq.m

1 msq. is 10000

150000 msq is 150000 × 10000

= 1500000000

Answer 2

Answer:

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We have ,

Length of land = 500m

Breadth of Land = 300m

1) Perimeter = 2(l+b)

= 2 (500+300)m

= 2 × 800 meter.

Perimeter = 1600m

2) Area of land = (l × b)

= (500 × 300)m sq.

= 150000 m sq.

3) The cost of 1m sq. of land = 10,000

The cost of 150000m sq. of land = 10,000 × 150000

= rs. 1500000000