
In the figure, what is the ratio of KN/MN?
(1) The perimeter of rectangle KLMN is 30 cm.
(2) The three small rectangles have the same dimensions.
I selected choice E.
OA is C.
Could you please post the solution?
Thanks!
dmitryknowsbest Wrote:Hi rx_11,
The problem with your counterexample is that your rectangles do not all have the same dimensions. The top rectangles are 3x2 and the bottom rectangle is 6x1. If you make them all 3x2, you will get a large rectangle with a width of 6 and a height of 9, for a ratio of 2/3.
rx_11 Wrote:dmitryknowsbest Wrote:Hi rx_11,
The problem with your counterexample is that your rectangles do not all have the same dimensions. The top rectangles are 3x2 and the bottom rectangle is 6x1. If you make them all 3x2, you will get a large rectangle with a width of 6 and a height of 9, for a ratio of 2/3.
Hi, dmitry,
Do you mean that the "dimension" is not necessarily equal to "area"? Could you tell me what is "dimension"? I used to think that the "dimension" is equal to "area"..