Plane Geometry Challenge

Random Science or definition Quiz

Can you name the following Plane Geometry terms?

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

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