The area of a rectangle is leghth x breadth. A rectangle wall is 25 metres Iong and 2 metres high.

Question

1. What is the area of the wall?
2. If painting the wall costs 18 per square Metre, how much will it cost to paint both sides of the wall assuming that it cost nothing to paint the top and and the sides?

Answer 1

To solve your questions, let's start with the calculations.

1. Area of the wall:

   The formula for the area of a rectangle is: \[ \text{Area} = \text{Length} \times \text{Height} \]

   For the given wall:

   • Length = 25 metres
   • Height = 2 metres

   Therefore, the area of the wall is: \[ \text{Area} = 25 , \text{m} \times 2 , \text{m} = 50 , \text{m}^2 \]

2. Cost to paint both sides of the wall:

   Since you want to paint both sides of the wall, you need to double the area: \[ \text{Total Area} = 2 \times \text{Area of one side} = 2 \times 50 , \text{m}^2 = 100 , \text{m}^2 \]

   The cost to paint per square metre is 18. Therefore, the total cost to paint both sides of the wall is: \[ \text{Total Cost} = \text{Total Area} \times \text{Cost per square metre} = 100 , \text{m}^2 \times 18 = 1800 \]

So, the answers are:

1. The area of the wall is 50 square metres.
2. The cost to paint both sides of the wall is 1800.