-10 and -1
Step-by-step explanation:
Answer:

Step-by-step explanation:
see the attached figure to better understand the problem
we know that
----> by angle addition postulate
substitute the given values

It is a rectangular pyramid
should i explain?
fell free to tell me if it doesn't make sense :)
Answer:8552.98 π,
Step-by-step explanation:
π times 16.5 squared times 10
Id say it 93.57 i believe