Area of closed figure / triangle / quadrilateral / Knowledge Hub / class - 1-2-3

 Problem type - 1

1- Find the area of rectangle whose length is 15m and breadth is 12m.

2- Find the area of rectangle whose length is 21m and breadth is 14m.

3- Find the area of rectangle whose length is 150cm and breadth is 85cm.

4- Find the area of rectangle whose length is 3m 20cm and breadth is 2m.

5- Find the area of rectangle whose length is 8km and breadth is 2km 500m. 

6- A garden is 800cm long and 300cm broad. find the length and breadth in metres and area in square metres. 

7- Find the area of rectangular flower-bed in sq cm, if its length is 7m 30cm and breadth is 4m 50cm

Problem type -2

1- Find the length of rectangle whose area is 575 m² and breadth is 23m.

2- Find the length of rectangle whose area is 300 m² and breadth is 15m.

3- Find the length of rectangle whose area is 512 cm² and breadth is 16cm.

Problem type -3

1- Find the breadth of rectangle whose area is 12750 m² and length is 150m.

2- Find the breadth of rectangle whose area is 5500 m² and length is 110m.

3- Find the breadth of rectangle whose area is 1926 cm² and length is 107cm.

Problem type -4

 1- Find the area of square whose each side is 15 m.

2- Find the area of square whose each side is 18 m.

3- Find the area of square whose each side is 20cm.

4- Find the area of square whose each side is 3 m 40 cm.

5- Find the area of square whose each side is 5m 50cm.

6- Find the area of the floor of square room in square metre whose each side is 800 cm   

Problem type -5

 1- Find the side of square whose area is 144 m²

 2- Find the side of square whose area is 324 m²

3- Find the side of square whose area is 625 m²

4- Find the side of square whose area is 256 cm²

5- Find the side of square whose area is 81 cm²

Problem type -6

 1- Find the area of rhombus whose diagonals are 10 cm and 12 cm.

1- Find the area of rhombus whose diagonals are 14 cm and 16 cm.
1- Find the area of rhombus whose diagonals are 8 m and 600 cm.
1- Find the area of rhombus whose diagonals are 100 cm and 2m 50 cm.
1- Find the area of rhombus whose diagonals are 1/2 m and 75 cm.

Problem type -7

 1-Area of rhombus is 150 cm²   one of its diagonal is 20 cm. find other diagonal        

2-Area of rhombus is 120 cm²   one of its diagonal is 16 cm. find other diagonal      

3-Area of rhombus is 250 cm²   one of its diagonal is 25 cm. find other diagonal      

4-Area of rhombus is 96 cm²   one of its diagonal is 12 cm. find other diagonal      

5-Area of rhombus is 45 cm²   one of its diagonal is 9 cm. find other diagonal       

Problem type -8

1- Find the area of trapezium whose parallel sides are 5 cm and 9 cm.

and distance between them are 8 cm find the are of trapezium.

 

Problem type -9

1- If the area of trapezium is 144 sq m, Its two parallel lines are 3 m and 6 m . find the distance between them.

Problem type -10

1- If the area of trapezium is 144 sq m Its height is 32 m. If one of the parallel side is 6 m, find the other parallel side.