Question

1) Find the length of a rectangle whose breadth is 15 cm and perimeter is 48 cm.

2)Ravi wants to fence a rectangular plot he bought. The length and breadth of the plot are 50 m and 30 m respectively. If the cost of fencing is Rs 15 per meter, how much money does he need to fence the entire plot ?

3) A square room is 75 m long. Find the area of the carpet neededto cover the floor.

4)Area of a rectangle is 220 sq cm. If the length of the rectangle is 20 cm, find its breadth.

5)The four walls of a room measure 10 m by 8 m each. If 1 sq m of paint cost Rs. 22, what is the total cost of painting all the walls?

6) Find the length and area of the rectangle whose perimeter is 80 cm and breadth is 20 cm.

Answer 1

Answer:

1. L= 9 cm

2. rupees =2400

3.  Perimeter = 300

4. Width = 11 cm

5. Rs 7040

6.  Length = 20 cm Area = 400 cm^2

Step-by-step explanation: