Answer:
1. C=10.6
2. C=11.2
4. C=23.4
5. C=38.4
Step-by-step explanation:
You can find the answer to these by doing the Pythagorean theorem.
a^2 + b^2 = c^2
504______________16
Volume = πr2h
= π×182×7
= 2268π
= 7125.1321383417 meters3