Theorems/Colloaries
What is equiangular?
Quantities that are equal to the same quantity or to equal quantities are _____.
What is one?
Lines that are introduced in a figure to assist in establishing a proof.
What are auxiliary lines?
An exterior angle is of a triangle is ______ ______ either opposite interior angle.
If equals are multiplied by equals, the ______ are equal. (Multiplication Axiom)
What is product?
The sum three angles of a triangle are equal to.
What is Geometry?
If two angles of a triangle are equal, the sides _______ those angles are equal.
What is opposite?
If equals are subtracted by equals, the ______ are equal. (Principle 8)
What are remainders?
Daily Double!
If two straight lines are parallel to a third straight line, they are ______ to each other.
What is parallel?
A statement that is not self-evident but proved by a chain of reasoning.
What is Theorem?
A straight line perpendicular to one of two parallel lines is __________ to the other also.
A quantity may be _________ for its equal in any process. (Axiom 8)
What is substitution?
What the sum of all the angles around a point is equal to.
What is 360º?
The two angles not adjacent when two lines intersect.
What are vertical angles?
Begin the statement (No need to answer in form of question):
One and only one perpendicular can...
be drawn to a line from a point are equal.
If the first of three quantities is greater than the second quantity, and the second is greater than the third, then the first is ______ ______ the third.
What is greater than?
Finish The Statement (No need to answer in form of question):
A geometric figure may be freely moved in space without any space without any change...
in form or size.
A geometric statement accepted without proof to be true.
What is a postulate?