Chapter 1: Basic Geometry (lines, angles, distances, midpoints)
Chapter 2: PROOFS
Chapter 3: Parallel and Perpendicular Lines
Chapter 4: Triangle Congruence
Chapter 5: Points of Concurrency and Triangle Inequalities
100
A midpoint splits a line, equally or unequally?
Equally
100
What is a converse statement?
You switch the order of the hypotheses and conclusion
100
To find the slope parallel, you...
To find the slope perpendicular, you...
1. find the slope of original question
2. find the slope of original question, then find negative reciprocal.
100
What types of angles can we have? List all four
Acute, obtuse, right, straight
100
Smallest angle is across from the _______ side
shortest
200
How many points do you need to make a line?
two
200
What is an inverse statement? Give an example.
You insert the word not to the hypotheses and the conclusion.
200
What is the slope of the line parallel to x+2y=5
-1/2
200
How many obtuse angles can a triangle have?
only one
200
The sum of the two shortest sides are ________ the longest side
greater than
300
If you have two points and want to find the distance, what are the two methods that you can use?
Distance formula or pythagorean theorem
300
Is the converse true or false? If a quadrilateral is square, then it is a rectangle.
False.
300
What is the slope of the line perpendicular to 16x-4y=8?
4
300
Does AAA prove triangle congruency ?
No!
300
If one side of a triangle measures 17 units, and the other measures 45 units, what is the range for the third side?
28<x<62
400
What is the distance formula?
sqrt((x_2-x_1)^2+(y_2-y_1)^2
400
In order to write the biconditional, which statements must be true?
the conditional and the converse
400
What line is parallel to 3x+y=27 and passes (1,1)?
y-1=-3(x-1)
400
In order to you HL, what things must you have.
A right triangle, a congruent leg and a congruent hypotenuse
400
Does -1,11,9 form a triangle. Explain why or why not.
No, a side cannot be negative
500
What is the midpoint formula?
((x_1+x_2)/2,(y_1+y_2)/2)
500
What is the contrapositive?
Combination of converse and inverse.
500
What line is perpendicular to 3x-2y =8 and passes through (-2, 5)?
y-5=-2/3(x+2)
500
Congruent or not? Explain.
Triangles and congruent by SAS
500
How do you find the circumcenter? What lines must you draw? Bonus +100 if you can say what the circumcenter is equidistant to
Draw the perpendicular bisectors. Equidistant to vertices