Volume of a cylinder is formulated as: π·r²h
Surface area of a cylinder is formulated as: 2π·rh + 2π·r²
So, for a:
Volume = π·5²·12 = π·25·12 = 300π
Surface area = 2π·5·12 + 2π·5² = 120π + 50π = 170π
And it's essentially the same process for the other questions.
Answer:
Hey there!
Given equation
9-5(-11x+7)
Distribute
9+55x-35
Combine Like terms
55x-26
Let me know if this helped :)
Its a pyramid. see if you think about it it has a square base and 5 sides....