geometry flashcards

Question 1

line

Answer 1

A collection of points along a staight path that goes on and on in opposite directions.

Question 2

Line Segment

Answer 2

A part of a line between two endpoints.

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Question 3

Ray

Answer 3

A part of a line that has one endpoint and goes on and on in one direction
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Question 4

Endpoint

Answer 4

A point at the end of a line segment or ray

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Question 5

Right Angle

Answer 5

An angle that has the shape of a square corner. It is formed when two rays meet.
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Question 6

Similar

Answer 6

Same shape BUT different sizes
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Question 7

congruent

Answer 7

EXACTLY same shape and size

Question 8

symmetric

Answer 8

Both sides match each other exactly

Question 9

line of symmetry

Answer 9

The line that divides the figure into matching parts

Question 10

plane figure

Answer 10

A geometric figure whose points are all in in one plane. They are flat.

Question 11

triangle

Answer 11

A plane figure with three sides and three corners

Question 12

circle

Answer 12

A close plane figure. No sides or corners. (All the points of a circle are the same distance from the center.)

Question 13

rectangle

Answer 13

A plane figure with four right angles and four sides.

Question 14

pentagon

Answer 14

A plane figure five sides and five corners

Question 15

Hexagon

Answer 15

A plane figure with six sides and six corners

Question 16

square

Answer 16

A plane figure with four equal sides and four right angles

Question 17

corner

Answer 17

A point where two sides of a plane figure meet. (Also, a point where more than two faces of a space figure meet.)

Question 18

quadrilateral

Answer 18

A plane figure with four sides and four corners.

Question 19

Sphere

Answer 19

A space figure shaped like a round ball.

Question 20

rectangular prism

Answer 20

A space figure whoe faces are all rectangles

Question 21

pyramid

Answer 21

A space figure whose base is a plane figure and whose faces are triangles with a common corner.

Question 22

Cube

Answer 22

A space figure with six congruent square faces.

Question 23

Cone

Answer 23

A space figure with one circular flat surface and one curved surface that forms a point.

Question 24

cylinder

Answer 24

A space figure with two congruent circles as bases.