Question

6. A rectangular sheet of paper is 13 1 /3 cm long and 8 1/2 cm wide. Find its perimeter
​

Answer 1

Answer:

Let ABCD be a rectangular sheet whose length and width is given 12

2

1

cm and 10

3

2

cm respectively.

Then, We know that

The perimeter of a rectangle =2(length + width)

=2(12

2

1

+10

3

2

)

=2(

2

25

+

3

32

)

=2(

6

75+64

)

=2(

6

139

)

=2×

6

139

=

3

139

cm

Or

=46

3

1

cm.

Answer 2

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Perimeter = 2(l+b)

=2 ( 13 1/3 + 8 1/2)

= 2 (40/3+17/2)

= 2 ( 80/6 + 51/6)

= 2 ( 131/6)

= 131/3 cm

= 43 2/3 cm