Module 1
Module 2
Module 4
Module 7
Module 8
100
What is the Linear Pair Theorem?
If two angles form a linear pair, then they are supplementary.
100
What are perpendicular lines?
Lines that intersect at right angles.
100
What is the Vertical Angles Theorem?
If two angles are vertical angles, the angles are congruent.
100
What is the Triangle Sum Theorem?
The sum of angle measures of a triangle is 180°.
100
What is the orthocenter?
The intersection of the lines that contain the altitude.
200
What is a rigid motion?
A transformation that changes the position of a figure without changing the size or shape of the figure.
200
What is a vector?
A quantity that has both direction and magnitude.
200
What is the Alternate Interior Angles Theorem?
If two parallel lines are cut by a transversal, then the pairs of alternate interior angles have the same measure.
200
What is the Polygon Angle Sum Theorem?
The sum of the measures of the interior angle of a complex polygon with n sides is (n-2)180°.
200
What is the Triangle Midsegment Theorem?
The segment joining the midpoints of two sides of a triangle is parallel to the third side, and its length is half the length of that side.
300
Identify this angle
Acute angle
300
Give the vertices of the image after it is translated along the given vector. A(-2,5), B(-1,3), C(1,5) along (3,0).
A'(1,5), B(2,3), C'(4,5)
300
Identify the pair of angles.
Complementary
300
A polygon has an interior angle sum of 2520°. How many sides must the polygon have?
16 sides
300
How many medians does a triangle have?
A triangle has 3 medians.
400
Find the distance of the given line segment. Segment AB has endpoints at A(-5,3) and B(-2,1).
Segment AB has a distance of √13.
400
Give the vertices of the image after it is reflected across the given line. A(2,1), B(6,1), C(4,3) across the x-axis.
A'(2,-1), B'(6,-1), C'(4,-3)
400
Determine if the given lines are parallel, perpendicular, or neither. y=-1/4x-3/4 and y=4x+3/8
The given lines are perpendicular
400
Find the measure of <A
m<A=130°
400
Find the orthocenter of the triangle with the given vertices. X(-5,4), Y(2,-3), Z(1,4).
(2,5)
500
Segment PQ has endpoints P(5,-3) and Q(2,4). Find the midpoint of the given segment and determine which quadrant it lies in.
Midpoint: (7/2, 1/2)
Quadrant: 1
500
Give the vertices of the image after it is reflected across the given line. N(1,2), P(3,5), Q(3,7), R(1,6) across the line y=x.
N'(2,1), P'(5,3), Q'(7,3), R'(6,1)
500
What is different about the slope of perpendicular lines?
The slopes of perpendicular lines are negative reciprocals.
500
Find the value of x.
X=98°
500
Find the circumcenter of the triangle with the given vertices. A(0,0), B(0,5), C(5,0).
(2.5,2.5)