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Angles
Lines
Classifications
Statements
Vocab
100
The measure of a right angle
90 degrees
100
Find length of HK *Consult diagram*
5
100
What kind of angle is this? *Consult Diagram*
Obtuse
100
Write the next 2 items in the pattern and make a conjecture. *Consult Diagram*
A triangle is added every time
100
A(n) ______ divides an angle into 2 congruent angles
Angle bisector
200
What is the supplement of 123 degrees?
57 degrees
200
Point S is between R and T on a line (R_____S_____T). RS=5x-6, ST=2x, RT=3x+2. Find the measure of RT
8
200
<1 and <8 are ______ angles *Consult Diagram*
Alternate interior
200
Complete the statement: 2 angles are ____ if and only if the sum of their angles are 90 degrees
Complementary
200
The length of the longest side of a right triangle is called the ______
Hypotenuse
300
Ray JK bisects
x=15 2/3
300
Use slope formula to find the slope of the line. A(-3,2) B(4,1)
1/7
300
Find X *Consult Diagram*
X=125 degrees
300
Determine if the conjecture is true. If not, write a counter example. -There are 28 days in February
False; Leap year
300
A(n) __________ is a case in which a conjecture is false.
Counter Example
400
Find X *Consult Diagram*
90 degrees
400
Use slopes to find if AB and CD are parallel, perpendicular, or neither for A(-1,5), B(-3,4), C(3,-1), D(4,-3)
Perpendicular
400
Name 2 skew lines *Consult Diagram*
ML, JK PJ, OL PJ, MN JK, PI MN, IK LK, PI
400
Identify the property that justifies the statement. A+B=A+B
Reflexive prop. of =
400
Lines that are in different planes are _______
Skew Lines
500
Find measure of
101 degrees
500
Use the distance formula or the Pythagorean Theorem to find the distance to the nearest tenth, from (1,6) and (4,2).
5
500
Write a two-column proof *Consult Diagram*
1. <1 = <2, L _|_ N --> Given 2. Alternate Interior Angles 3. Right angles are 90 degrees 4. L _|_ P --> L and P make a 90 degree angle
500
Solve 5x-3=-18 and justify each step
1. Given 2. +3 to both sides --> Addition prop of = 3. 5x=-15 --> Simplify 4. Divide both sides by 5 --> Division prop of = 5. x=-3 Simplify
500
A slope of a line is the ratio of the ____ to the ____
Rise, Run