Vocabulary
Postulates and Properties
Fill in the blank
Triangles
Random
100
a ray that divides an angle into 2 congruent angles
What is angle bisector
100
If a=b, and b=, then a=c
What is transitive property
100
______ angles whose sum is 180 degrees
what is supplementary
100
a triangle that has all sides the same length
what is equilateral
100
who is the famous Greek mathematician
What is Pythagorus
200
a mathematical statement which we can prove to be true
what is Theorem
200
if a=b, then b=a
What is symmetric property
200
the ______ of an angle is a common endpoint of the ray of an angle
what is a vertex
200
a triangle with no 2 sides congruent
What is scalene
200
this has one endpoint and continues in one direction forever
What is a ray
300
an angle with degree measure greater than 90 and less than 180
what is an obtuse
300
If a = b, then a may be replaced by b in any equation or expression.
What is substitution property
300
Angles that have the same position on two different parallel lines cut by a ______ makes them corresponding angles
what is a transversal
300
a triangle with 2 sides the same length
What is isosceles
300
who is the father of geometry
What is Euclid
400
quadrilateral with 4 right angles and all 4 sides congruent
what is a square
400
If B is between A & C, then AB + BC = AC
What is segment addition postulate
400
two angles created by intersecting lines, segments, or rays who share a common vertex, are ______ to each other, and have the same degree measure
what is opposite
400
angles in every triangle add up to ?
What is 180 degrees
400
this is a closed figure with at least 3 sides
What is a polygon
500
quadrilateral with exactly 2 distinct pairs of adjacent congruent sides
what is a kite
500
If P is in the interior of angle of RST, then the measure of angle RST = the measure of angle RSP + the measure of angle PST.
What is angle addition postulate
500
a _____, ray, line, or plane that intersects a ______ at its midpoint is a ______ bisector.
what is segment
500
If all three angles of an acute triangle are congruent, then the triangle is an....
What is an equiangular triangle
500
what does CPCTC stand for
What is corresponding parts of congruent triangles are congruent
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