Points, Lines, & Planes
What does the word Collinear mean?
Points that are on the same line
What does the word congruent mean?
Equal/Same
What is the Midpoint Formula?
( x1, + x2 / 2, y1 + y2 /2)
How many types of Angles do we have?
4
For any right triangle, we use what formula to find the missing side?
a2 + b2 = c2
How many letters do you use to name a line?
2 Letters
If a line bisects another line that means....?
The line is split evenly
What is the distance formula?
Sqrt (x2-x1) squared + (y2-y1) squared
What is the definition of Vertical Angles
Two angles across from each other on intersecting lines. They are always congruent.
If a = 8 and b = 13 find c
c = 15.3
What is the definition of a plane?
A flat surface made up of points
If EG = 71, find the value of x.
EF = 8x-17
FG = 5x-3
x = 7
Find AB given A(-4,1) and B(3, -1)
AB = 7.3
Come to the board and draw the different types of angles with name and definition
...
If a = 7 and c = 9 find b
b = 5.7
How many letters do you use to name a plane?
3 Letters
If RT = 36, find the value of x
RS = 6x+1
ST = x+7
x = 4
Find the Midpoint of line GH given G(7,-5) and H(9,-1)
MP = (8,-3)
A Linear Pair is always.....
Adjacent and Supplementary
Using Pythagorean Theorem Converse classify the following triangle
11, 19, 28
Obtuse
Lines intersect at a ___________
Planes intersect at a _____________
Point, Line
If R is the midpoint of line QS, find QS.
QR = 2x+16
RS = 5x-17
QS = 76
Your answer for midpoint should always be in an .......?
Ordered Pair
Complementary Angles equals __________
Supplementary Angles equals ____________
90 degrees
180 degrees
What does SOH - CAH - TOA mean
Sin = Opp/Hyp
Cos = Adj/Hyp
Tan = Opp/Adj