Question

7. The cost of fencing a rectangular field at 15 per metre is * 1900. If the width of the field is 22 m
find its length
The length and the breadth of a rectangular field are in the ratio 2:5. The cost of fencing the field
at 20 per metre is 4000. Find the dimensions of the field.
9. The cost of putting a fence around a square field at * 25 per metre is 4550. Find the length of
each side of the field.
- 10.
Each side of a square field measures 28 m. Adjacent to this field, there is a rectangular fiel
having its sides in the ratio 3:4. If the perimeters of both the fields are equal, find the dimension
of the rectangular field.
- 11. Find the perimeter of each of the following figures:
20 cm
25 cm
7 cm
15 cm
38 cm
35 cm
25 cm
25 cm
20 em
12 cm
20 cm
7 cm
52 cm
15 cm
25 cm​

Answer 1

Answer:

7)82.66

8)28.5714285714

9)45.5

Step-by-step explanation:

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Answer 2

41.3 answer I will send emage but not now