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siniylev [52]
3 years ago
9

Help pls I don’t understand the question.

Engineering
1 answer:
REY [17]3 years ago
3 0

Answer:

I think it's asking what the area is when it says A=

when it says d= it means diameter

so for the first one, I believe the answer would be 28.27

and the second one would be 0.79

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