Not really
30x7=210
5x7=35
Answer:i dont kno what number u put
Step-by-step explanation:
Answer:


Step-by-step explanation:
Given

--- lower diameter
--- upper diameter
Solving (a): The curved surface area
This is calculated as:

Where
--- lower radius
--- upper radius
And
---- l represents the slant height of the frustrum





So, we have:




Solving (b): The volume
This is calculated as:

This gives:





Answer:
X=8.6
Step-by-step explanation:
;)