Answer:
10
Step-by-step explanation:
First multiply 9 by 2.5
Then divide 225 by 22.5
Answer:
0
Step-by-step explanation:
2a+1=1
2a=0
--- ---
2 2
a=0
Answer:
1
Step-by-step explanation:
The cone is sliced by a plane, which produces a smaller cone on top. This cone is similar to the original cone. Therefore:
R / H = r / h
2 / 8 = r / 4
r = 1
Answer:
1 Multi
20 identity
Step-by-step explanation: