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Geometry Final > Vocabulary for GEOMETRY > Flashcards

Vocabulary for GEOMETRY Flashcards

1
Q

polygon

A

a shape with sides and vertices

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2
Q

equilateral

A

sides are congruent

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3
Q

equilangular

A

angles are congruent

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4
Q

A ___________ is a quadrilateral with both pairs of opposite sides parallel.

A

parallelogram

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5
Q

In a parallelogram opposite sides are __________

A

congruent

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6
Q

In a parallelogram opposite angles are __________

A

congruent

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7
Q

In a parallelogram consecutive angles are _____________

A

supplementary

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8
Q

In a parallelogram diagonals ________ each other

A

bisect

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9
Q

A rhombus is a parallelogram with four __________

A

congruent sides

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10
Q

A rectangle is a parallelogram with four __________

A

right angles

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11
Q

A square is a parallelogram with four ____________ and four ________

A

congruent sides, right angles

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12
Q

A trapezoid is quadrilateral with exactly one pair of ________

A

parallel sides

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13
Q

the parallel sides of a trapezoid are called ______

A

bases

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14
Q

The non-parallel sides of a trapezoid are called ________

A

legs

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15
Q

The two angles that share base are called ____________

A

base angles

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16
Q

An isosceles trapezoid is trapezoid with __________ legs.

A

congruent

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17
Q

The midsegment of a trapezoid is the segment that joins the _________ of its legs.

A

midpoints

18
Q

The midsegement is parallel to the ________

A

bases

19
Q

A kite is a quadrilateral with two pairs of ____________ sides ____________

A

consecutive, congruent

20
Q

The height of a trapezoid is the __________ distance between the bases

A

perpendicular

21
Q

A ________ polygon is a polygon with all sides and angles congruent.

A

regular

22
Q

The _________ of any regular polygon is the point exactly

A

center

23
Q

The __________ of a regular polygon is the distance from the center to a vertex.

A

radius

24
Q

The __________ of a regular polygon is the perpendicular distance from the center to a side. It also bisects the angle and opposite sides.

A

apothem

25
Q

The radii of a regular polygon form __________ triangles

A

isoceles

26
Q

A prism is a polyhedron with two congruent parallel faces called ________

A

bases

27
Q

The other faces are called ____________ and are always quadrilaterals

A

lateral faces

28
Q

A cylinder is a solid that has two congruent parallel _______ that are circles

A

bases

29
Q

A sphere is the set of all point sin space equidistant from the _______

A

center

30
Q

A _________ is a segment that has one endpoint at the center and one on the sphere

A

radius

31
Q

A ________ is a segment passing through the center with endpoints on the sphere

A

diameter

32
Q

A transformation in the coordinate plane that preserves _______ and ________

A

shape and size

33
Q

Pre image is

A

the original image before a transformation

34
Q

Image is

A

new or resulting image from a transformation

35
Q

Rotation: a circular movement of an object around a fixed point of rotation, known as the ______________

A

center of rotation

36
Q

An ___________ is a transformation that preserves distance, or length.

A

isometry

37
Q

A composition of reflection across two parallel lines is a ______________

A

translation

38
Q

A composition of reflections across two intersecting lines is a ____________

A

rotation

39
Q

A glide reflection is combination of _________

A

translation and reflection

40
Q

Two figures are __________ if and only if there is a sequence of rigid motions that maps one figure onto the other

A

congruent

41
Q

A scale factor is a number that is multiplied to ______ or _______ a figure

A

enlarge or reduce

Geometry Final (3 decks)

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