Plane Geometry Challenge

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Can you name the following Plane Geometry terms?

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DefinitionPG Term
a segment drawn from a vertex perpendicular to the opposite side
a ray that divides an angle into two angles that are congruent.
Two angles that share a common vertex and side.
The point where three altitudes intersect in a triangle
Two polygons such that their corresponding angles are congruent and the lengths of corresponding sides are proportional
Points that line in the same plane
SSS
The point where 3 medians intersect.
A segment that connects the midpoints of a triangle or trapezoid.
The side of a right triangle that is opposite the right angle.
HL
Two angles that are formed by parallel lines and a transversal and lie between the parallel lines and on opposite sides of the transversal.
Two adjacent angles who are supplementary
Two angles whose sides form two pairs of opposite rays. The angles form an 'X'.
The point where three perpendicular bisectors intersect in a triangle.
An angle that measures 180 degrees.
Two angles formed by two parallel lines and a transversal that lie on the interior of the parallel lines and on the same side of the transversal.
An angle whose measure is equal to 90 degrees
The side opposite the right angle in a right triangle
A triangle with one obtuse angle
Points that lie on the same line.
two angles who sum is 180 degress
A triangle with three congruent sides
A polygon with three sides
Two lines that intersect to form a right angle.
An angle whose measure is between 90 and 180 degrees.
A segment that is drawn from the center of a circle to the circle.
DefinitionPG Term
Lines that do not intersect and are NOT coplanar
a dot.
y-y1=m(x-x1)
Two angles that are formed by parallel lines and a transversal and lie outside the two lines and on opposite sides of the transversal.
Two angles whose sum is 90 degrees.
The 'if' part of a conditional statement.
A segment drawn from the vertex of a triangle to the midpoint of the opposite side
A line drawn perpendicular to a side through its midpoint.
y=mx+b
The point where three angle bisectors intersect in a triangle
Two lines that do not intersect and are coplanar.
A triangle with at least 2 congruent sides and angles.
An angle whose measurement is between 0 and 90.
CPCTC
(y2-y1)/(x2-x1)
ASA
two angles that are formed by parallel lines and a transversal and occupy corresponding positions
A triangle with no congruent sides.
The 'then' part of a conditional statement.
An equation that states that two ratios are equal.
Angles that have the same measure.
A triangle with three congruent angles.
A line segment has two...
Points that lie in the same plane.
A point that divides, or bisects, a segment into two congruent segments.
SAS
AAS

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