Question

perimeter and area questions

Answer 1

HEY ANKIT!!
here r the extra questions....

1. The perimeter of a rectangle is 326 cm and its length is 98 cm. Find its breadth and area. 

2. The perimeter of a rectangle is 50 m and its breadth is 12 m. Find its length and area. 

3. The length and diagonal of a rectangle are 40 cm and 41 cm. Find its breadth and perimeter. 

4. Find the breadth and perimeter of a rectangle if its length is 36 m and its area is 540 m². 

5. Find the length and perimeter of a rectangle if its breadth and area are 19 m and 475 m². 

6. The sides of a rectangle are in the ratio 4 : 5 and its perimeter is 90 cm. Find the dimensions of the rectangle and hence its area. 

7. The sides of a rectangle are in the ratio 3 : 7 and its area is 1029 m². Find the dimensions of the rectangle, and then find its perimeter. 

8. Find the cost of fencing a rectangle garden at the rate of $7.50 per m if its length and breadth are in the ratio 4: 3 and its area is 1200 m². 

9. Find the cost of flooring the verandah at the rate of $12 per m² if the length and breadth of the verandah are in the ratio 3 : 2 and its perimeter is 40 m.

Answers:

1. b = 65 cm, A = 6370 cm² 

2. l = 13 m, A =156 m² 

3. b = 9 cm, P = 98 cm 

4. b = 15 m, P = 102 m 

5. l = 25 m, P = 88 m 

6. l = 20 cm, b = 25 cm, A = 500 cm²

7. l = 21 m, b = 49 m, A = P = 140 m 

9. $1050 

10. $1152

HOPE THIS HELPS YOU.....

 

Answer 2

Do you need had or eassy qustion
1)The area of a rectangle is 96 cm². If the breadth of the rectangle is 8 cm, find its length and perimeter. 
2)How many tiles whose length and breadth are 13 cm and 7 cm respectively are needed to cover a rectangular region whose length and breadth are 520 cm and 140 cm?