Foundations of Geometry
Triangles!
Angles
Challenge Me
The History of Thanksgiving
100
Arrows
What does a LINE have on the ends of it?
100
Triangle Angle Sum Conjecture
All the angles in a triangle must add up to 180º
100
Angles with measures that are 90 degrees or less
Acute angles
100
The first part of a two-column statement reason proof that you know
What is given.
100
Where the first Thanksgiving was celebrated
Plymouth, Massachusetts
200
Points
What does a SEGMENT have on the ends of it?
200
The height of a triangle
What is the altitude of a triangle?
200
Angles with measures between 90º and 180º
Obtuse Angles
200
Usually the last part of the two-column statement-reason proof
The Postulate
200
Ms. Copeland's favorite Thanksgiving day food
Stuffing
300
A POINT on one end and an ARROW on the other.
What does a RAY have on the ends of it?
300
SAS, SSS, AAS, ASA
Examples of Triangle Congruence Postulates
300
Angles that add up to 180º
Supplementary Angles
300
Describe vertical angles
Angles that are across from each other and have the same measure
300
A wild turkey can fly this fast
Up to 55 mph
400
Midline
A line going from the midpoint of one side of a triangle to the midpoint of the opposite side of a triangle.
400
Triangle ABC is congruent to Triangle DEF
Example of a Triangle Congruence Statement
400
Angles that add up to 90º
Complimentary Angles
400
What is a hypothesis
Begins with "If" and states something you're trying to prove
400
The President that proclaimed Thanksgiving as a national holiday in 1863 (during the Civil War)
Abraham Lincoln
500
Median
A line going from a vertex of a triangle to the midpoint of the opposite side.
500
Scalene
A triangle with no equal sides
500
What a straight line equals
180º
500
A conclusion
Begins with 'then' and states what you conclude, or prove
500
The year of the first Thanksgiving
1621
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