* nonagon * nonagenarian
Chat with our AI personalities
nona- is the prefix meaning 9
A nine sided two dimensional shape would be called a nonagon. Nona is a common prefix meaning nine of something.
The rule is that for any polygon of sides number n, The sum of interior angels equals (n-2) x 180 and each angel equal (n-2) x 180/n Hence for a nona angel with number of sides equals nine, The sum of interior angels = (9-2) x 180 = 7x180 =1260 degrees, and each angel = 1260/9 = 140 degrees
A nonagon is a polygon with nine sides. The prefix "nona-" in nonagon comes from the Latin word for "nine." Each side of a nonagon connects to two other sides, forming a total of nine straight sides that enclose the shape.
'Penta' ; Latin for five(5), hence 5 vertices. Modern mathemtica and science falls back on a lot of Latin and Classical Greek names. Hence Bi/Di - 2 Tri = 3 Quad/Tetra = 4 Penta = 5 Hexa = 6 Hepta = 7 Octa = 8 Nona = 9 Deca = 10 Centa = 100 Mille = 1000 Even if you only learn the most base of Latin and Classical Greek , you would understandfrom much of the scientific nomenclature(naming system).