Definitions
Lines that do not intersect
What are parallel lines?
a2+b2=c2
What is the Pythagorean Theorem?
The area of a square
What is length times width (l*w)?
A quadrilateral that has all sides congruent.
What is a rhombus?
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.
Lines that intersect at a right angle
A triangle that contains a right angle
What is a right triangle?
The volume of a cube
What is V=A*h = l*w*h
Every rectangle is this type of shape.
What is a parallelogram?
It is Thursday, therefore
No conclusion possible.
Statements we assume to be true
What are postulates?
A triangle sides are congruent
What is an equilateral triangle?
Area of a circle?
What is 2*pi*r?
These shapes have a least one right angle.
What are rectangles and squares?
If I studied for my test, then I will pass geometry?
If I pass geometry then I studied for my test.
Results we deduce from definitions and postulates
What are theorems?
A triangle that has two sides congruent.
What is an isosceles triangle?
What is V = pi*r*h?
The diagonals of this shape bisects each other.
What is a parallelogram/rhombus/rectangle/square?
This form of logic uses the phrase "if and only if".
What is a biconditional statement?
A three dimensional shape composed of polygonal regions
SAS, SSS, ASA, AAS
What are the triangle congruence theorems?
The volume of a cone
What is V =(1/3)pi*r^2*h
What is a square?
What is the contrapositive of 'p => q'?