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A symmetrical cross with equal arms has an area of 2016 cm^2 and all sides of integer length in centimetres. What is the smallest petimeter the cross can have?
Answers
Answered by
oobleck
draw such a cross. It consists of 5 squares of side x.
As you recall, the area of each such square is x^2
Now look at the perimeter. It has length 15x.
...
As you recall, the area of each such square is x^2
Now look at the perimeter. It has length 15x.
...
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