not sure how to do this problem

Question

Larry plans to paint 2 walls in his room. The ceiling is 8 feet above the floor. One of the walls is 13 feet wide and the other is 10 feet wide.

What is the area of the walls that Larry plans to paint?

1. 80 ft²
2. 104 ft²
3. 184 ft²
4. 1040 ft²

Answer 1

Hello, Andrew. In order to solve this problem, you need to know the formula for the area of a rectangle, since walls tend to be of a rectangular shape. The formula for the area of a rectangle is: A=bxh, where b represents the base or width of the rectangle and h represents the height of the rectangle. Our known variables from the problem are:

h=8 feet (because the ceiling is 8 feet above the floor)

b1= 13 feet

b2= 10 feet

A= ?

We will need to calculate the area of each wall separately and then add those areas together to get the total area.

Area of first wall = 8 feet x 13 feet

Area of first wall = 104 feet²

Area of second wall= 8 feet x 10 feet

Area of second wall = 80 feet²

Total Area= 104 feet² + 80 feet²

Total Area = 184 feet²

^{I hope this guided answer helped you in understanding the area of a rectangle formula and how to use it to solve your problem.}