Segmentation
Angles in the Architecture
In the Name of the Triangle
Postulates, Theorems and Donuts, err Definitions
Median,
Altitude,
Angle Bisector, Perpendicular Bisector
100
If two segments have the same length.
What is CONGRUENT?
100
When two of these have a common endpoint they form an angle.
What are RAYS?
100
The number of acute angles in an obtuse triangle.
What is TWO?
100
The sum of the measures of the angles in a triangle.
What is 180?
100
Drawn from a vertex of the triangle to the midpoint of the opposite side.
What is the MEDIAN?
200
M, if SM = MT, and if M is in between S and T.
What is MIDPOINT?
200
The instrument used to measure angles.
What is a PROTRACTOR?
200
A triangle with one slash on one side of the triangle, two slashes on another side, and three slashes on the third side.
What is SCALENE?
200
The two three-letter combinations of S's and A's that do not represent triangle congruence postulates.
What is SSA, AAA?
200
Sometimes contained within a side of the triangle.
What is an ALTITUDE?
300
If X, Y and Z all lie on the same line.
What is COLLINEAR?
300
The supplement of an acute angle.
What is OBTUSE?
300
The number of congruent angles in an isosceles triangle.
What is AT LEAST 2?
300
The method by which we know a theorem is true.
What is PROOF?
300
Separates an angle of the triangle into two congruent angles.
What is the ANGLE BISECTOR?
400
To separate into two equal parts.
What is BISECT?
400
Two nonadjacent angles formed by a pair of intersecting lines.
What are VERTICAL ANGLES?
400
The two angle-classification names you can give to a triangle with three congruent sides.
What is EQUIANGULAR and ACUTE?
400
The abbreviations of the four triangle congruence postulates.
What is SSS, SAS, ASA, AAS
400
The only one of these that is a LINE.
What is the PERPENDICULAR BISECTOR?
500
Three properties of congruence of line segments.
What is REFLEXIVE, SYMMETRIC, TRANSITIVE?
500
Two adjacent angles that are supplementary.
What is a LINEAR PAIR?
500
A triangle with two complementary angles.
What is RIGHT?
500
For this, CPCTC stands.
What is CORRESPONDING PARTS of CONGRUENT TRIANGLES are CONGRUENT?
500
The intersection of the three medians.
What is the CENTROID?
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