Angles
Triangles
Lines
Proofs
Polygons
100
No angles present with this shape.
What is a circle?
100
Total of degrees of angle sum in a triangle.
What is 180 degrees?
100
Name of line with two definite end points.
What is a line segment?
100
Number of columns in a formal proof.
What is two?
100
Name of all polygons with four sides.
What is a quadrilateral?
200
Degrees of an angle formed by perpendicular lines.
What is 90 degrees?
200
Name of triangle with congruent lengths of all three sides.
What is an equilateral triangle?
200
Two or more lines that are contained in the same plane.
What are coplanar lines?
200
Name of information listed to use to start proof work.
What are the givens?
200
Name of polygon with opposite sides parallel.
What is a parallelogram?
300
The measure of degrees formed by a straight line.
What is 180 degrees?
300
Name of triangle with a set of perpendicular sides.
What is a right triangle?
300
Lines that have the same slope.
What are parallel lines?
300
Two non adjacent angles formed by two intersection lines (crisscross lines).
What are vertical angles?
300
Name of polygon with opposite sides parallel but no right angles.
What is a rhombus?
400
Name of an angle that measures less than 90 degrees.
What is an acute angle?
400
Name of triangle with two congruent base angles.
What is an isosceles triangle?
400
A line with one end point that extends in one direction.
What is a ray?
400
Name of property: If a=b and b=c, then a=c.
What is the transitive property?
400
Name of polygon with one set of parallel sides.
What is a trapezoid?
500
A ray that divides an angle into two congruent adjacent angles.
What is an angle bisector?
500
Name of triangle with all angle measures equal.
What is an equiangular triangle?
500
Name of two lines that do not lie in the same plane (not parallel and do not intersect).
What are skew lines?
500
The word that means having the same size, shape, or measure.
What is congruent?
500
Name of a straight line joining two opposite corners of a straight sided shape (square or parallelogram).
What is a diagonal line?
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