Vocabulary
What is the definition of parallel?
Two lines that have the same slope and never touch each other
What’s an acute angle ?
An angle that measures less then 90 degrees
How many degrees does a triangle have?
180
What is the formula for the area of a circle?
A=(3.14)r2
What does the b slope formula represent?
Slope intercept
What is the definition for perpendicular?
At an angle of 90 degrees to a given line. Also has opposite reciprocal slope.
What’s an obtuse angle ?
An angle that measures more then 90 degrees and less then 180 degrees
What is a scalene triangle?
A triangle with three different length of sides
What is the slope formula?
Y=mx+b
How many quadrants does a graph have ?
4
How many sides does a heptagon have ?
7
What are consecutive interior angles ?
They are supplementary
How many degrees does the exterior angles of a triangle have?
360
What is the midpoint formula?
M=(x1+x2/2, y1+y2/2)
What is the slope of a horizontal line ?
0
What is an angle bisector ?
A ray that divides an angle into two equal parts.
What is a the measurement of a reflex angle ?
270 degrees
What is the definition of CPCTC?
Corresponding parts of congruent triangles are congruent
What is the Distance Formula?
d=Square root of (x2-x1)+(y2-y1)
How do you find the slope of a line on a graph ?
Rise over run
What’s is an axiom?
a statement or proposition on which an abstractly defined structure is based
What is the sum of the interior angles of a hexagon?
720 degrees
What are all the congruency statesments for triangles ?
SAS, SSS, ASA, AAS, HL, and HA
What is the formula of a Sphere?
V=4/3(3.14)r2
What’s the slope of a vertical line ?
Undefined