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primary 6 | Maths
| Fractions
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Help me please
Date Posted: 5 years ago
Views: 268
Length of wire used = perimeter of entire shape = sum of lengths of the semicircle turns + that one 20 cm line
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Hello, I think the formula for circumference of a circle is 2πr. So the answer to this might not be right, but the concept of it is there. My answer I got was 271.33cm
And I got a different answer 287.03.
Dixon, you probably forgot about the small semicircle in the middle, which leads to your answer 271.
Dixon, you probably forgot about the small semicircle in the middle, which leads to your answer 271.
done
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Sorry I am not an artist, pardon my terrible drawing.
Date Posted:
5 years ago
Answer is 287.03 to 2 decimal places.
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