Definitions
Triangles
Geometry Basics
Quadrilaterals
Logical Conclusions
100

Lines that do not intersect

What are parallel lines?

100

a2+b2=c2

What is the Pythagorean Theorem?

100

What is the formula for finding the distance between two points on a coordinate plane?

sqrt((x2-x1)^2+(y2-y1)^2

100

A quadrilateral that has all sides congruent.

What is a rhombus?

100

If Rebecca sits in Layla's seat then Layla will sit in Rebecca's seat. 

Rebecca sits in Layla's seat, therefore 

Layla sits in Rebecca's seat.

200

Lines that intersect at a right angle

What are perpendicular lines?
200

A triangle that contains a right angle

What is a right triangle?

200
What is the minimum number of points needed to define a plane. 

What is 3

200

Every rectangle is this type of shape.

What is a parallelogram?

200
If it is Friday, then the Geometry class is in a good mood.

It is Thursday, therefore

No conclusion possible.

300

Statements we assume to be true

What are postulates?

300

A triangle sides are congruent

What is an equilateral triangle?

300

If A(2,4) and B is (6,10) what is the midpoint of AB?

What is (4,7)
300

These shapes have a least one right angle.

What are rectangles and squares?

300
What is the converse of

If I studied for my test, then I will pass geometry?

If I pass geometry then I studied for my test.

400

Results we deduce from definitions and postulates

What are theorems?

400

A triangle that has two sides congruent.

What is an isosceles triangle?

400

Name the term for part of a line that has one endpoint and extends infinitely in one direction?

What is a ray?

400

The diagonals of this shape bisects each other. 

What is a parallelogram/rhombus/rectangle/square?

400

This form of logic uses the phrase "if and only if".

What is a biconditional statement?

500

A three dimensional shape composed of polygonal regions

What is a polyhedron?
500

SAS, SSS, ASA, AAS

What are the triangle congruence theorems?

500

What is the relationship between two angles that share a common vertex and side but do not overlap?

What is adjacent angles OR Linear Pair

500

Opposite sides of a parallelogram have these relationships.

What is congruent and parallel?
500

What is the contrapositive of 'p => q'?

not q => not p