Simplify the formula. You now know enough to find the surface area of any rectangular prism. You can do it faster if you've learned some basic algebra. Start with our equation above: Area of a rectangular prism = lw + lw + wh + wh + lh + lh.
Check the Weather in Perissa, Santorini in September before you book your next holiday. This gives the best indication of the weather in September and includes figures for temperature, sunshine and rainfall. 1  25Â°C max day temperature.
And then you need another 3-4-5 days for Santorini. If you only have a week then just split your time between the two places. I would spend 360 days in Athens to learn the culture and see the all of the sights and just a couple of days in Santorini.