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Formulas for Various Areas (table)

(Encyclopedia)Formulas for Various Areas 1 The abbreviations used are: b = base (length of any side of a plane figure); a = altitude (perpendicular distance from the farthest point of the figure to t...

Elements (table)

(Encyclopedia)Elements 1 Parentheses indicate most stable isotope; brackets enclose lower and upper bounds of weight variation. ...

Fens, the

(Encyclopedia)Fens, the, district, E England, a flat lowland, W and S of The Wash. Extending c.70 mi (110 km) from north to south and c.35 mi (60 km) from east to west, it is traversed by numerous streams. The area...

Russian and Soviet Rulers since 1462 (table)

(Encyclopedia)Russian and Soviet Rulers since 1462(including dates of rule) House of Rurik House of Godunov Usurpers House of Romanov Provisional Government(premiers) Soviet Russia (1917–22) and the U...

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