Geometry Basics
Triangles
Special Segments
Triangle Congruence
Misc.
100
A pair of adjacent supplementary angles
What is a linear pair?
100
The EXACT length of a leg if a right triangle's other leg is 5 and the hypotenuse is 13.
What is 12?
100
The definition of a Perpendicular Bisector
What is a segment that splits a side in two equal parts AND forms a right angle?
100
Name ALL of the ways we can prove triangles congruent.
What are: SSS, SAS, AAS, ASA, HL
100
The Midpoint of a segments with endpoints (0,0) and (5,0)
(2.5, 0)
200
a) Lines that lie in the same plane but never intersect b) Lines that intersect and form a 90 degree angle
a) what are parallel lines? b) what are perpendicular lines?
200
When triangle NED is congruent to triangle RWO, this is the angle that corresponds to angle WRO.
What is angle END?
200
The definition of an angle bisector.
What is a segment that splits an angle into two equal parts?
200
Explain why AAA is not a legitimate congruence theorem.
Different Side lengths.
200
The special properties of midsegments.
The midsegment and opposite side are parallel and it is half the size of the side.
300
The converse of the conditional: "if you don't water your flowers then they will wilt"
What is "If your flowers are wilted then you didn't water them."
300
Whether the lengths of 7.3 cm, 5.02 cm and 2.1 will form a triangle
What is no, they will NOT form a triangle because the sum of the 2 shortest sides is less than the third side.
300
The definition of a median.
What is a segment connecting the midpoint of a segment to the opposite vertex?
300
If you have a picture where two triangles are connected, one step you will HAVE TO include in your proof will be....
What is Reflexive Property?
300
What is the Distance Formula?
What is the square root of 164? (about 12.8)
400
The slope of a line perpendicular to a line with slope of 5/3
What is a line with slope of -3/5 (slopes are opposite and reciprocals of each other)
400
The measure of a base angle in an isosceles triangle whose vertex angle is 37.5 degrees
What is 71.25 degrees? (180-37.5)/2
400
The definition of a midsegment.
What is a segment connecting the midpoints of two sides?
400
When triangle NED is congruent to triangle RWO, this is the angle that corresponds to angle O
What is angle D?
400
This is the distance between (-9, 3) and (1, -5)
Square root of 164
500
The mathematician who discovered most of what we know about geometry.
Euclid
500
The reason why you know that a triangle with side lengths of 5.4”, 7.2” and 9” is definitely a right triangle.
What is because 5.4 squared + 7.2 squared = 9 squared ?
500
The definition of an altitude.
What is a segment starting at a vertex and going to the opposite side AND meeting at a right angle?
500
The value of x when the 3 angles of a triangle are given by: 2x 3x-2 and 5x+19
What is x = 16.3
500
When is our Triangle Congruence Test?
What is next Thursday?
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