Quadrilaterals & Ect.
Right Triangles
Lines, Lines, Lines
Triangles
Anything
100
What quadrilateral(s) have diagonals that bisect each other and are perpendicular to each other.
Rhombi and Square
100
The sum of the squares of the legs of a right triangle are equal to...
The square of the hypotenuse
100
Slopes of parallel lines are ______________ Slopes of perpendicular lines are ____________
Parallel lines - same slope Perpendicular lines - negative reciprocal slopes
100
Segment whose endpoints are a vertex of a triangle and the midpoint on the side opposite that vertex.
What is the median
100
A flat surface that extends infinitely in all directions. Named by three points.
What is a plane
200
Solve for d and e
d = 50 degrees e = 130 degrees
200
The two acute angles of a right triangle are ___________
What is complimentary
200
Coplanar lines that do not intersect; Non-coplanar lines that do not intersect.
Parallel Lines; Skew Lines
200
The base angles of this triangle are congruent
What is an Isosceles triangle
200
What is the formula for finding the sum of the interior angles of a regular polygon?
180(n - 2); where n = the number of sides of polygon
300
Term for a location in space, has no actual size, named by a single capital letter.
What is a point
300
Solve for side a.
7.409
300
The point halfway between the endpoints of a line segment.
What is the midpoint
300
State the Triangle Sum Theorem.
The sum of the interior angles of a triangle always add to 180 degrees.
300
Adjacent or non-adjacent angles whose sum measures to 180 degrees.
Supplementary angles
400
What is the measure of each exterior angle of an 18-gon?
What is 20 degrees
400
Solve for side c.
8.827
400
Parallel lines cut by a traversal: same side interior angles are _________, alternate interior angles are _________
Supplementary; congruent
400
The 3 medians of a triangle intersect in a point called ____
What is the centroid
400
What is the measure of each interior angle of a regular 16-gon?
157.5 degrees
500
Solve for x
What is 9
500
Solve for angle x.
57.265 degrees
500
Line segment that extends from one vertex of a triangle perpendicular to the opposite side.
What is an altitude
500
Lines BD and CF are medians If CE = 17, find CF
25.5
500
What is the slope of a line perpendicular to the line 3x + 9y = -8
positive 3
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