scalene triangle a triangle with no equal sides
sector a slice of a circle formed by two radii and an arc
set a collection of certain numbers
similar polygons two or more polygons with equal corresponding angles and corresponding sides in proportion.
simplify to combine like terms and reduce an equation to its most basic form
slope the steepness of a line, as determined by
ho
v
r
e
i
r
z
t
o
ic
n
a
t
l
a
c
l
h
c
a
h
n
a
g
n
e
ge
, or
x y 2
2
–
–
y x 1
1
, on a coordinate plane where (
x 1
,
y 1
) and
(
x 2
,
y 2
) are two points on that line
solid a three-dimensional figure
square a parallelogram with four equal sides and four right angles
square of a number the product of a number and itself, such as 6
2
, which is 6
6
square root one of two equal factors whose product is the square, such as
7
sum the result of adding one number to another
supplementary angles two angles whose sum is 180°
surface area the sum of the areas of the faces of a solid
tangent a line that touches a curve (such as a circle) at a single point without cutting across the curve. A tangent
line that touches a circle at point
P is perpendicular to the circle’s radius drawn to point
P .
transversal a line that intersects two or more lines
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