A part of the circumference of a circle.

A triangle with all three sides of equal length.

A triangle with all three angles equal.

A circle that passes through all the vertices of a polygon.

A circle that is drawn inside a polygon, touching all its sides.

A line segment whose endpoints lie on a circle.

A line that touches a circle at exactly one point.

Circles that share the same center.

An arc that is greater than a semicircle.

An arc that is less than a semicircle.

A solid object with a polygonal base and triangular faces that meet at a point.

A solid object with a circular base and a single vertex.

A solid object with two identical ends and flat sides.

A perfectly round three-dimensional object.

A solid object with two parallel circular bases connected by a curved surface.

Figures that have the same size and shape.

A straight one-dimensional figure that has no thickness and extends infinitely in both directions.

A part of a line that is bounded by two distinct endpoints.

A part of a line that starts at a point and extends infinitely in one direction.

A flat two-dimensional surface that extends infinitely.

Points that lie on the same plane.

Points that lie on the same straight line.

The point that divides a segment into two equal parts.

A ray that divides an angle into two equal angles.

A point at the end of a line segment or ray.

Lines that never intersect and are always the same distance apart.

Lines that intersect at a right angle.

An angle that measures 90 degrees.

Angles that are opposite each other when two lines cross.

An angle that measures less than 90 degrees.

An angle that measures more than 90 degrees but less than 180 degrees.

A closed figure with three or more sides.

A quadrilateral with all sides of equal length.

A quadrilateral with two distinct pairs of adjacent sides that are equal.

A quadrilateral with opposite sides that are parallel.

A parallelogram with four right angles.

A rectangle with all sides of equal length.

A triangle with at least two sides of equal length.

A triangle with all sides of different lengths.

A quadrilateral with at least one pair of parallel sides.

Geometry Chapter 1 Flashcards Flashcards

Student preview

56 questions

Show all answers

1.

FLASHCARD QUESTION

Front

Angle

Back

A figure formed by two rays, called the sides of the angle, sharing a common endpoint, called the vertex.

2.

FLASHCARD QUESTION

Front

Vertex

Back

The point where two or more lines meet.

3.

FLASHCARD QUESTION

Front

Complementary

Back

Two angles that add up to 90 degrees.

4.

FLASHCARD QUESTION

Front

Supplementary

Back

Two angles that add up to 180 degrees.

5.

FLASHCARD QUESTION

Front

Linear Pair

Back

A pair of adjacent angles that are supplementary.

6.

FLASHCARD QUESTION

Front

Diameter

Back

A straight line passing from side to side through the center of a circle.

7.

FLASHCARD QUESTION

Front

Radius

Back

A straight line from the center to the circumference of a circle.

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