cube - pyramid: a pyramid is formed of 1*1*1 cubes....

[eb123]

a pyramid is formed of 1*1*1 cubes. The bottom layer is 9*9, 2nd layer is 7*7, 3rd layer is 5*5 and 4th is 1 cube.

Only the top and sides are painted.What is the total painted area

 

[stapel]

a pyramid is formed of 1*1*1 cubes. The bottom layer is 9*9, 2nd layer is 7*7, 3rd layer is 5*5 and 4th is 1 cube.

Only the top and sides are painted.What is the total painted area

Did you draw a picture of at least one of the sides of the square pyramid? If not, do so. If so, what did you find?

Please be complete. Thank you! :wink: