Answer:
1072.3
Step-by-step explanation:
A hemisphere is half of a sphere, so the volume V of the hemisphere is the volume of the sphere divided by 2.
V = (2/3)*

= (2/3)*

= (2/3)*
*512
= 1072.3
Answer:
A rectangular prism has eight vertices and a rectangular pyramid has five.Step-by-step explanation:
Answer:
45
Step-by-step explanation:
20 boys= 5 times the ratio
So, 5x5=25
25 girls and 20 boys= 45 students
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