This an example of using ratio and proportion and is discussed further in Similar shapes. The following two triangles are similar. Find the lengths p and q to one decimal place. First find the ratio ...

The golden ratio is an almost mythical number that you may have heard of in various areas of architecture or design. For example, many claim the ancient Greek Parthenon has numerous examples of the ...

Mileage may vary. Buy two get one free or buy one get one. Must be a golden ratio. I always scratch my head at the toilet paper aisle, 6 rolls double ply is like 24 rolls single ply. It just never ...