Answer:
Step-by-step explanation:
Answer:
-5
Step-by-step explanation:
Answer:
its c because b is a right angle triangle
thats how i solved it if there is a mistake tell me
Answer:
10
Step-by-step explanation:
F + V − E = 2
Where F is the number of faces, V is the number of vertices and E is the number of edges
F + 16 - 24 = 2
Combine terms
F -8 = 2
Add 8 to each side
F -8+8 =2+8
F = 10