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Answer:
1.a
2.c
3.d
4.b
Step-by-step explanation:
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1. A. 1130.30m^2
2. A. 28.58m^2
3. A. 12560 cm^2
4. B. 51.81cm^2
5. [tex]v \: = \pi {r}^{2} h[/tex]
6. Pyramid
7. Cone
[tex]8. \: v \: = {4} \pi {r}^{3} [/tex]