The surface area of the cube that Richard have to clean will be 294 square meters.
What is the surface area of the cube?
Let the length of the cube be a.
Then the surface area of the cube will be
SA = 6a²
Richard is asked to spray wash the exterior of a building that is shaped like a cube.
The building has a side length of 7 meters.
Then the surface area of the cube will be
SA = 6(7)²
SA = 6 x 49
SA = 294 square meters
More about the surface area of the cube link is given below.
https://brainly.com/question/13789496
#SPJ2
