I thought that I should compare different shapes of a given perimeter in regards with their area, so I did some search online with my dad. To cut the long story short, and for simplicity, I ended comparing a square and a circle of the same perimeter (60m).
Square
Perimeter = side x 4 => side = 60/4 => side = 15m
Area = side2 => Area = 152 => Area = 225m2
Circle
Perimeter = 2πr => 60 = 2πr => r = 9.55m
Area = πr2 => Area = 285.74m2
Given the above, one should use the 60m fence to make a circle, as that would give them the largest area.
Hi Max,
Sorry, that is last week’s French link. I have just uploaded the new activity about the SeaLife poster so it should be live on the home learning page in the next few minutes. Thanks!
The answer is 15m x 15m of fencing. This is because the width and length of the most similar dimensions will give the largest area.
I agree with Adi because 15+15+15+15=60 and 15×15=255.
Adam meant to say 15 x 15=225
Yeah
I thought that I should compare different shapes of a given perimeter in regards with their area, so I did some search online with my dad. To cut the long story short, and for simplicity, I ended comparing a square and a circle of the same perimeter (60m).
Square
Perimeter = side x 4 => side = 60/4 => side = 15m
Area = side2 => Area = 152 => Area = 225m2
Circle
Perimeter = 2πr => 60 = 2πr => r = 9.55m
Area = πr2 => Area = 285.74m2
Given the above, one should use the 60m fence to make a circle, as that would give them the largest area.
I’m not sure about this, but how can a circle be made out of metres squared?
Mr Burns when it says to write a sea life poster I am not sure of what to do exactly.
Hi Max,
Sorry, that is last week’s French link. I have just uploaded the new activity about the SeaLife poster so it should be live on the home learning page in the next few minutes. Thanks!