4 years ago

(please show work) offering 24 points !

1 answer:

8 0

V=hpir^2
SA=2pir^2+2hpir

a.
SA=2pi9^2+2*36pi9
SA=2pi81+72pi9
SA=162pi+648pi
SA=810pi in^2

b.
aprox pi=3.14
810*3.14=2542.4cm^2

c.
V=36pi9^2
V=36pi81
V=2916pi in^3

d. 3.14=pi
2916*3.14=9156.24 in^3

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