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What number comes after vii?
In Roman numerals it is: viii or VIII
When does half of 13 equals 8 and half of 9 equals 4?
Never but only in a trick question because:- 13 as a Roman numeral is XIII and halving it = VIII = 8 Likewise 9 as a Roman numeral is IX and halving it = IV = 4
What is a base ten numeral?
Base ten numerals are the numbers 0 to 9 that are used every day. Base ten numerals were also used in Ancient Rome, but the numbers were actually letters like eight would be VIII. These numbers were called Roman Numerals.
Why 98 is written as xcviii and not as iic?
In today's terms 98 expressed in Roman numerals is XCVIII But the rules governing the Roman numeral system were introduced during the Middle Ages centuries after the decline of the Roman Empire. Therefore it follows that the Romans themselves would have probably wrote out 98 as LXXXXVIII which can be simplified to IIC in the same way as the Roman numerals IIII and VIIII (4 and 9) are simplified to IV and IX respectively. In parts of Spain the numerals for VIII (8) are written out as IIX.
What are the 13 elements of Euclid?
Book I. The fundamentals of geometry: theories of triangles, parallels, and area. Book II. Geometric algebra. Book III. Theory of circles. Book IV. Constructions for inscribed and circumscribed figures. Book V. Theory of abstract proportions. Book VI. Similar figures and proportions in geometry. Book VII. Fundamentals of number theory. Book VIII. Continued proportions in number theory. Book IX. Number theory. Book X. Classification of incommensurables. Book XI. Solid geometry. Book XII.Measurement of figures. Book XIII. Regular solids.
