Question

3. Two rectangular fields have the same
perimeter. One is a square of side 60 m, the
other is a rectangle of length 7 dam. Which
field has the larger area and by how many
ares (a)?​

Answer 1

Step-by-step explanation:

Side of the square =60 m

Perimeter =4*60

=240 m

Length of rectangle =7m

Perimeter= 240 m (same as square)

2(l+b) =240

l+b =240/2

7+b =120

b =120-7

b =113 m

So, area of square =60*60

=3600 m²

Area of rectangle =l*b

=7*113

=791 m²

Difference in areas =3600- 791

= 2809

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