Pythagorean formula - Answer how to find the length of the hypotenuse of a right
triangle
a squared + b squared = c squared
Area of a circle - Answer pi r squared
radius of a circle - Answer ..., the length of a line segment between the center and
circumference of a circle or sphere
diameter of a circle - Answer ..., the length of a straight line passing through the center
of a circle and connecting two points on the circumference
median - Answer ..., relating to or constituting the middle value of an ordered set of
values (or the average of the middle two in an even-numbered set)
, CHSPE math
mode - Answer .the value that occurs most often. If no number is repeated, then there is
no mode for the list..
hypotenuse - Answer the longest side of a triangle
area of a square, rectangle or parallelogram - Answer ...length of side x length of side;
A= w x h
order of operations - Answer ...The rules of which calculation comes first in an
expression
They are:
. do everything inside parentheses first: ()
. then do exponents, like x2
. then do multiplies and divides from left to right
. lastly do the adds and subtracts from left to right
obtuse angle - Answer ...An obtuse angle is one which is more than 90° but less than
180°
irrational number - Answer A real number that cannot be written as a simple fraction -
the decimal goes on forever without repeating. Example: Pi is an irrational number.
slope formula - Answer ...y = mx = b where m is the slope of the line, and b is the
y-coordinate where the line intercepts the y-axis
Y intercept - Answer Where a straight line crosses the Y axis of a graph.
complex numbers - Answer ...A combination of a real and an imaginary number in the
form a + bi, where a and b are real, and i is imaginary.
isosceles triangle - Answer (of a triangle) having two sides of equal length
equilateral triangle - Answer having all sides or faces equal
perimeter - Answer The total length of the sides of a plane figure
area - Answer the measure of a 2-dimensional surface enclosed within a boundary
area of a triangle - Answer A= 1/2 w x h
right triangle - Answer one of its angles is a right angle
complementary angles - Answer angles whose sum is 90 degrees
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