Answer:
4.
SA= A=4πr²
SA= 907.92
Solution
A=4πr2=4·π·8.52≈907.92028
5.
SA= A=2πrh+2πr²
SA= 1432.57
A=2πrh+2πr²
=2·π·8·20.5+2·π·82
≈1432.56625
Step-by-step explanation:
brainliest me pls
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Answers & Comments
Answer:
Answer:
4.
SA= A=4πr²
SA= 907.92
Solution
A=4πr2=4·π·8.52≈907.92028
5.
SA= A=2πrh+2πr²
SA= 1432.57
Solution
A=2πrh+2πr²
=2·π·8·20.5+2·π·82
≈1432.56625
Step-by-step explanation:
brainliest me pls