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Geometry Terms

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Section 1

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Scalene Triangle

Front

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Geometry Math

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Last updated

6 years ago

Date created

Mar 14, 2020

Cards (33)

Section 1

(33 cards)

Scalene Triangle

Front

Triangle with no equal sides.

Back

Equiangular Triangle

Front

A triangle with all equal interior angles.

Back

Isosceles Triangle

Front

Triangle with two equal sides and two equal angles.

Back

Adjacent Angles

Front

Two angles that are next to each other, sharing a ray and a vertex but no interior points.

Back

Right Triangle

Front

Triangle with one right angle.

Back

Line

Front

A set of points that extends without end in 2 opposite directions.

Back

Plane (Notation: Plane ABCD)

Front

A set of points that extends without end in all directions along a flat surface.

Back

Midpoint

Front

The point in the center of a segment that separates a segment into two equal parts.

Back

Point

Front

Location in space. . P

Back

Parallel Planes

Front

Planes that never intersect.

Back

Right Angle

Front

A 90 degree angle.

Back

Supplementary Angles

Front

Angles that together add up to 180 degrees (make a straight line).

Back

Parallel Lines

Front

Lines that never touch and are on the same plane.

Back

Bisector

Front

A point or ray that cuts a segment or angle into two equal pieces.

Back

Linear Pair

Front

Two angles that are next to each other (sharing a ray and a vertex ) that combine to make a straight line.

Back

Congruent

Front

Equal in size and shape.

Back

End Points

Front

Two points that define the length of a segment; the points where a segment ends.

Back

Obtuse Angle

Front

An angle between 90 and 180 degrees.

Back

Straight Angle

Front

An angle equal to 180 degrees.

Back

Co-planar

Front

Together on the same plane.

Back

Exterior

Front

Located outside a figure or outside the space between parallel lines.

Back

Ray

Front

A line that only extends in one direction and has one endpoint.

Back

Vertical Angles

Front

Angles that are opposite each other and formed by intersecting lines.

Back

Acute Angle

Front

An angle less than 90 degrees.

Back

Non-collinear Points

Front

3 or more points not on the same line.

Back

Vertex

Front

The shared point where the rays of an angle meet.

Back

Equilateral Triangles

Front

Triangles with all equal sides.

Back

Perpendicular Lines

Front

Two lines that intersect to form right angles(90).

Back

Complementary Angles

Front

Angles that together add up to 90 degrees.

Back

Interior

Front

Located inside a figure or between parallel lines.

Back

Collinear Points

Front

Points together on the same line.

Back

Angle

Front

Two rays that share an endpoint.

Back

Line Segment

Front

A part of a line. Has two endpoints.

Back