Theorems & Symbols
Angles
Line Segments + Angles?
Midpoint & Distance
Surprise
100
Triangles can be proven similar by
AAA (or AA), SAS, SSS and RHS Similarity Theorems
100
Angles that are opposite and equal
Vertical Angles
100
What is the term for an angle greater than 90° but less than 180°?
Obtuse
100
What is the midpoint formula?
100
What is the symbol that describes an angle?
∠
200
In set notation: AUB means....
A or B
200
If a transversal creates one interior angle of 110°, what is the other co-interior angle?
70 degrees
200
DE=
1/2 AB
200
What is the distance formula?
200
The probability of Z given that X occurs is represented in set notation by....
Pr(Z|X)
300
Theorem which states that the sum of the measures of the angles of triangle = 180 degrees.
Triangle Angle Sum Theorem
300
Opposite angles in inscribed quadrilaterals are
Supplementary
300
#4 on Geometry Assessment Handout
Find each line segment length (RS, SQ, RQ) with the following info:
Triangle RSQ is an isosceles triangle.
RQ = x
RS = SQ
RQ = 4
RS = 20
SQ = 20
300
What is the distance between (10, 7) and (10,9)
2
300
Angles that are adjacent and equal 180 degrees
Supplementary Angles
400
Theorem which states the measure of an exterior angle of a triangle is equal to the sum of the measures of the two remote interior angles.
Exterior Angle Theorem
400
What is the sum of the interior angles in a quadrilateral?
360 degrees
400
What is the sum of all exterior angles on a decagon?
360
400
Other than distance formula, what other method or formula is used to find the distance between 2 points?
Pythagorean theorem
400
#9 on Geometry Assessment Handout
What is the midpoint of points B(4,-2) and C(0,6)?
(2,2)
500
In triangle ABC and DEF. If AB = 2cm, DE = 4cm, then what is the scale factor? AND if BC and EF are corresponding sides and BC = 5cm, then what is the length of EF
2
10cm
500
Sum of angles in any polygon is
(n-2) 180
500
What is another word for supplementary angles?
Linear Pairs
500
Find Midpoint of (-4,4), (5,-1)
(0.5, 1.5)
500
#10 on Geometry Assessment Handout
What is the distance between points P(-2,6) and Q(3,-6)?
13