Question

2. The side of the square field is 50 m. A rectangular field 80m long has the
same perimeter as the of the square. Which has a larger area ?
3. The value of a residential flat constructed at a cost of Rs. 100000is​

Answer 1

Answer:

Given,

Side of square = 50 m

Reactangular field length = 80 m

Reactangular field breadth = b

Then,

Perimeter of Reactangular field

= 2(80 + b)

Perimeter of Square field

= 4*50 = 200 m

2(80 + b) = 200

80 + b = 100

b = 100 - 80 = 20

Thus,

Area of square field = 50*50

= 2500 m^2

Area of Reactangular field

= l*b = 80*20 = 1600 m^2

Therefore square field has larger area

Answer 2

Answer:

Side of square field=50m

Perimeter of square field=50×4=200m

Length of rectangular field=80m

let breadth of square field be x

: . Perimeter of rectangular field=(2x+160)m

According to given condition,2x+160=200

: .2x=200-160

=40

: .x=40/2

=20

Breadth of rectangular field is 20m

Area of square field=50×50

=2500m*2

Area of rectangular field=80×20

=1600m*2

: .Square field has larger area

the 2nd question is not complete so not answered

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