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Please help me, I'm stuck

Please help me, I'm stuck-example-1
User Thotruong
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2 Answers

2 votes
20 cm is the answer to the problem
User Peter Oram
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4.6k points
4 votes

Answer:

20 cm²

Refer to the attached page,I've shown the complete calculation over there.

I hope this helps you...

Please help me, I'm stuck-example-1
User Abhishek Chandran
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4.2k points