It will be easier to understand this using a venn diagram :
Answer:
24
Step-by-step explanation:
Divide 40 by 10 and multiply your answer by 6
Square pyramid
The flat square on the bottom is 1 face and there are 4 triangle faces.
The flat square on the bottom has 4 vertices and there is the pointy 1 at the top that holds the 4 triangles.
Hope dis helps,
Have a great day.
Plug in the points x and y
