1.1 Point, Lines, & Planes
How do you name opposite rays?
By starting with the endpoint.
Finish AND match the definition: the point that bisects or divides that segment into _____ congruent segments.
Two; Midpoint
What does an angle bisector do?
Cuts an angle in half
Definition of Linear Pair
Two adjacent Angles that form a line
What is the Pythagorean Theorem?
a2 + b2 = c2
True or False: A line can contain more than one plane
FALSE!!!
See card for picture: Find x
X=10
What type of angle is this: look at card for answer
Reflexive angle
DAILY DOUBLE
Are these 2 angles a complement or a supplement of each other
Supplement
What is the formula for the sum of interior angles?
180(n-2)
Draw AND Label a ray with the endpoint A containing B.
See card for answer
A student heading east sees a sign. Find the distance from Rodney to Britney. See card for problem
The distance from Rodney to Brinley is 138 feet.
Find angle KCD
Angle KCD = 226.5
What is the difference between complementary angles and supplementary angles
Complementary angles measure up to 90 while Supplementary measure up to 180
Find the midpoint of segment AC when A lies at (2,4) and C lies at (7, -3)
Name this definition: A flat surface that extends infinitely in all directions.
A collinear plane.
DAILY DOUBLE
See card for question
X= -12
Find angle LPJ when x=6
Angle LPJ = 126
what is the supplement of A
160-7x
How many triangles are in an octogon?
6 triangles
You are told that A, B, C are collinear; C, D, E are collinear, and Points A, D, and F are non-collinear. Determine whether A, B, C, D, E, F, must all lie on a single plane.
No, they do not have to all lie on a single plane.
X= 15
See card for question
x=-5
name the linear pair(s)
name the adjacent pair(s)
Linear pair possibilities:<XYW and <WYV, or <ZYV and <ZYX,
Adjacent pair possibilities: <ZYW and <WYV, or <WYZ and <ZYX
How many sides does a polygon have if it has 119 diagonals?
17 sides