Theorems
Polygons
Converse Theorems
Quadrilaterals
100
The line that intersects two or more coplanar (parallel) lines, each at a different point.
What is a transversal?
100
A dodecagon has this many sides
What is 12?
100
2 coplanar lines that go on forever and never intersect
What is parallel lines?
100
How many diagonals can be drawn in a regular quadrilateral?
What is 1?
200
If 2 lines cut by a transversal are parallel, then corresponding angles are congruent.
What is Corresponding Angles Postulate?
200
A regular polygon is always equilateral. TRUE OR FALSE
What is True?
200
If 2 lines cut by a transversal in such a way that corresponding angles are congruent, then the 2 lines are parallel.
What is Converse of the Corresponding Angles Postulate?
200
In a parallelogram, opposite sides and angles are ____________
What is congruent?
300
If 2 lines cut by a transversal are parallel, then alternate interior angles are congruent.
What is Alternate Interior Angles Theorem?
300
A triangle with 2 equal sides
What is a Iscosoles Triangle?
300
If 2 lines are cut by a transversal in such a way that the alternate interior angles are congruent, then the 2 lines are parallel.
What is Converse of the Alternate Interior Angles Theorem?
300
In a rectangle, there are _______ right angles and diagonals are ___________ to each other.
What is 4 and congruent?
400
If 2 lines cut by a transversal are parallel, then alternate exterior angles are congruent.
What is Alternate Exterior Angles Theorem?
400
Equation to find the central angle of a polygon
What is Theta = 360 / n?
400
If 2 lines are cut by a transversal in such a way that the alternate exterior angles are congruent, then the 2 lines are parallel.
What is Converse of the Alternate Exterior Angles Theorem?
400
In a parallelogram, the diagonals _________ each other.
What is bisect?
500
If 2 lines cut by a transversal are parallel,then the same-side interior angles are supplementary.
What is Same-Side Interior Angles Theorem?
500
Which is NOT an angle of rotation for a regular pentagon? 0, 72, 144, 216, 240, 288, 360
What is 216?
500
If 2 lines are cut by a transversal in such a way that same-side interior angles are supplementary, then the 2 lines are parallel.
What is Converse of the Same-Side Interior Angles Theorem?
500
In a parallelogram, consecutive angles are _____________
What is supplementary?
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