The top and bottom, the left side and right side and the front and back will be the same. Length, width and height are three dimensions of rectangular prism, helps to find the surface area. The surface area of the right rectangular prism is 2(lh + hb + bl) . The surface area of a rectangular prism is found by adding the area of all the faces of the prism.
The month of September marks the end of summer in Iceland. The weather begins to cool and depending on the location of each locality, the climate is characterized either by the abrupt decrease in temperature as in the case of Akureyri, or by a strong increase in the intensity and frequency of rain - as for Reykjavik.
The Icelandic winter is relatively mild for its latitude. The southerly lowlands of the island average around 0 Â°C (32 Â°F) in winter, while the Highlands of Iceland tend to average around â10 Â°C (14 Â°F). The lowest temperatures in the northern part of the island range from around â25 to â30 Â°C (â13 to â22 Â°F). The lowest temperature on record is â39.7 Â°C (â39.5 Â°F). Summers. The average July temperature in the southern part of the island is 10â13 Â°C (50â55 Â°F). Warm summer days can reach 20â25 Â°C (68â77 Â°F). The highest temperature recorded was 30.5 Â°C (86.9 Â°F) at the Eastern fjords in 1939. Annual average sunshine hours in ReykjavÃ­k are around 1300, which is similar to towns in Scotland and Ireland.