Online Math Dictionary: S

Easy to understand math definitions for K-Algebra mathematics
Just scroll down or click on the word you want and I'll scroll down for you!
 

scalene triangle scientific notation secant
sector of a circle segment
(line segment)
semi-circle
semiannual sequence series
set similar triangles sine
slope of a line snub
cuboctahedron
snub
icosidodecahedron
sphere square square numbers
square root subset subtrahend
sum summation supplementary 
angles
supplement 
of an angle
symmetric system of equations

 

Scalene Triangle
scalene triangle is a triangle where no twosides are the same length.
For information on triangles, check out Types of Triangles
 

scalene triangle

red line

Scientific Notation
Scientific notation is a way to write a number as the product of a number between 1 and 10 and multiple of 10.
Examples:
23,000 = 2.34 x 10^4     .0067 = 6.7 x 10^-3