If every rectangle has the same aspect ratio — the relationship between its height and width — then knowing
its diagonal measurement gives us a rough way to compare or at least rank those rectangles by size.
I'm not thrilled that it comes with a stylus that I will probably lose, but the touch screen looks intriguing and I'll be interested to see how much of an advantage the Daily Edition's seven - inch
diagonal measurement gives it over the six - inch diagonal of the Kindle.
Not exact matches
Giving his audience a refresher course in plane geometry, he continued: «The screen
measurements are
diagonal, so that a seven - inch screen is only 45 per cent as large as iPad's 10 - inch screen.
The viewable screen is 12.6 x7cm which
gives the notional
diagonal imperial
measurement of 5.8 inches.On the right side are the on / off button and below that the volume rocker.