The base is a square, therefore all the sides of the base are the same. This also means all the triangles have the same area.
10*10 = 100 cm^2 for the base
0.5*10*12 = 60 cm^2 for each triangle
100 + 4(60) = 340 cm^2
6 + 8 + 12 = 26 Faces
Edges = Vertices + Faces -2
Edges = 48 + 26 -2
Edges = 72
Answer:
14
Step-by-step explanation:
she has 10
she gets 4 more
10+4=14
Each pound cost $3.32
p pounds would cost = p*3.32 = 3.32p
Total cost C = $3.32p
I hope this explains it.