Intro to Geometry

What is Geometry the study of?

• Planets and stars

• Lines, shapes, angles, distances

• Numbers and equations

• History and geography

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What are the three basic elements of Geometry mentioned?

• Addition, subtraction, multiplication

• Points, lines, planes

• Alphabets, numbers, symbols

• Circles, squares, triangles

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What does a point help us describe in Geometry?

• The weight of objects

• The volume of shapes

• Specific locations in space

• The length of a line

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What is the difference between a line and a line-segment?

• A line-segment has a beginning and an end, a line goes on forever

• A line can only be horizontal, a line-segment can be any direction

• A line is curved, a line-segment is straight

• There is no difference

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What is a 'ray' in Geometry?

• A line that curves

• A line-segment that is very short

• A line with a beginning point but no ending point

• A point that moves

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How can you represent a line-segment in shorthand notation?

• With a double arrow line over them

• With a square around it

• With a line over the top

• With a circle over the top

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What is a plane in Geometry?

• A two-dimensional object

• A type of aircraft

• A point in space

• A three-dimensional object

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How many points do you need to define a plane?

• One

• Four

• Three

• Two

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What does a triangle represent in the context of planes?

• A smaller part or a segment of a plane

• A type of line

• A point in space

• A three-dimensional object

What is the third dimension mentioned that allows movement in a 3D space?

• Forward and backward

• In and out

• Left to right

• Up and down

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