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Tools of Geometry
Reasoning and Proof
Parallel and Perpendicular lines
Congruent triangles
Quadrilaterals
100
This figure is thought if as a series of points that extend in two opposite directions without end.
What is a line?
100
Part of the conditional that comes after if.
What is hypothesis?
100
a line that intersects two coplanar lines in two points.
What is a transversal?
100
Congruent parts of congruent triangles are congruent.
What is CPCTC?
100
a quadrilateral that has 2 pairs of parallel sides
What is a parallelogram?
200
This is thought of as a flat surface with no thickness that extends without end
What is a plane?
200
This is made up of a conditional statement and its converse.
What is a biconditional?
200
triangle whose angles are all congruent.
What is an equiangular triangle?
200
Polygons that have corresponding angles and sides congruent.
What are congruent polygons?
200
This is a quadrilateral with two pairs of congruent adjacent sides and no opposite sides congruent
What is kite?
300
This is a line, segment, or ray that is perpendicular to the segment at its midpoint.
What is a perpendicular bisector
300
a process of reasoning logically from given facts to a conclusion.
What is deductive reasoning?
300
triangle that has no sides congruent
What is scalene triangle?
300
The side opposite the right angle in a right triangle.
What is hypotenuse?
300
This figure is a quadrilateral with only one pair of parallel sides
What is a trapezoid
400
These are two coplanar angles with a common side, a common vertex, but no common interior points.
What are adjacent angles?
400
The sum of two angles is 180.
What are supplementary angles?
400
This is a polygon that is both equiangular and equilateral.
What is a regular polygon?
400
Congruent sides of an isosceles triangle
What are legs
400
Daily Double: a segment that joins the midpoints of the nonparallel sides of a trapezoid.
What is a midsegement of a trapezoid?
500
is a type of reasoning that reaches conclusions based on a pattern of specific examples or past events.
What is inductive reasoning
500
a conjecture that is proven
What is a theorem
500
This is a triangle that has at least two sides congruent
What is an isosceles triangle
500
Daily Double: A statement that immediately follows a theorem
What is a corollary?
500
This quadrilateral is a parallelogram with four congruent sides.
What is a rhombus?