A quadrilateral in which both pairs of opposite sides are parallel.
What is parallelogram
100
this theorem states: the sum of the measures of the interior angles of an triangle is 180°
What is Triangle Sum Theorem
100
a comparison of two or more numbers that uses divison
What is ratio?
200
Two or more angles that have equal measures
What is Congruent angles
200
a closed geometric figure that is a line segment whose endpoints are two vertices that do not share a common side.
What is Diagonal
200
The perpendicular distance from any point on one side to the lines containing the opposite side.
What is height of a parallelogram
200
The two angles that are non-adjacent to the specified exterior angle.
What is Remote interior angles of a triangle?
200
an equation that states that two ratios are equivalent , or equal
What is Proportion
300
a point that divides the segment into two congruent segments
What is Midpoint of a segment?
300
any angle with a measure greater than 180° and less than 360°
What is Reflex Angle?
300
A line segment drawn from a vertex, perpendicular to the line containing the opposite side.
What is Altitude of a parallelogram?
300
This theorem states: the measure of the exterior angle of a triangle is equal to the sum of the measures of the two remote interior angles of the triangle.
What is Exterior Angle Theorem?
300
Another way to solve a proportion
What is Means and Extremes
400
two or more lines that not in the same plane
What is Skew Lines?
400
two lines intersected by a a transversal form supplementary same-side exterior angles, then the lines are parallel
What is Same-Side Exterior Angle Converse Theorem
400
A line segment drawn from a vertex perpendicular to a line containing the opposite side.
What is Altitude of a triangle?
400
This theorem states: the measure of an exterior angle of a triangle is greater than the measure of either of the remote interior angles of the triangle."
What is Exterior Angle Inequality Theorem?
400
A replication that is similar to an actual object
What is Scale Model?
500
a portion of a line that begins with a single point
What is a Ray?
500
a closed geometric figure where line segments connecting any two points in the interior of the figure.
What is Convex Figure
500
The perpendicular distance from a vertex to the line containing the base.
What is Height of Triangle?
500
A= (1/2ha)8 = 4ha
What is regular octagon with side h
500
this theorem states :'if two angles and the included side one triangle are triangle are congruent to the corresponding two angles and the included side of another triangle.