|
Fact |
Category |
Date |
|
16 |
Spherical trigonometry, studies triangles on spheres, and is important in astronomy and navigation. |
Science > Math |
11/01/08 |
|
17 |
The base of the binary system is 2. |
Science > Math |
08/12/08 |
|
18 |
The base of the decimal system is ten. |
Science > Math |
08/08/08 |
|
19 |
The base of the duodecimal system is 12. |
Science > Math |
01/31/09 |
|
20 |
The base of the quinary system is 5. |
Science > Math |
08/14/08 |
|
21 |
The base of the vigesimal is 20. |
Science > Math |
08/06/08 |
|
22 |
The hypotenuse is the longest side in a right triangle. |
Science > Math |
05/20/08 |
|
23 |
The imaginary unit, commonly referred to as "i", is the square root of negative one. |
Science > Math |
02/06/09 |
|
24 |
The Mayan number system is in base twenty. |
Science > Math |
12/06/09 |
|
25 |
The midpoint of a line is calculated with the equation M = (x1 + x2) /2, (y1 + y2) /2. |
Science > Math |
07/01/08 |
|
26 |
The natural logarithm is defined as a logarithm to base e. |
Science > Math |
05/24/08 |
|
27 |
The one hundredth digit of pi after the decimal point is nine. |
Science > Math |
06/08/08 |
|
28 |
The slope of a line is calculated using m=(y2-y1) / (x2-x1). |
Science > Math |
06/25/08 |
|
29 |
There are general formulas for solving polynomial equations of degree less than 5, using only addition, subtraction, multiplication, division, and root extraction, but no such formula exists for polynomials of degree 5 or higher. |
Science > Math |
10/31/08 |
|
30 |
Trigonometry is the study of the measurement of triangles. |
Science > Math |
09/12/08 |
|
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