Transcript Unit 3 Geometry Vocabulary Jatin Ponnathota Class 3 An acute angle is an angle that is less than 90 degrees. woodworking168.blogspot.com The area is how much space a surface.

Unit 3
Geometry Vocabulary
Jatin
Ponnathota
Class 3
An acute angle is an angle that
is less than 90 degrees.
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The area is how much
space a surface takes up.
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A cube is a 3-D shape,
or figure that has 6 sides
that are all squares.
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A cylinder is a 3 –D figure
with 2 circle faces that are
exactly the same, or
congruent. It also has curved
side and 2 curved edges.
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An equilateral triangle
is a triangle that has
all 3 of it’s sides and
angles equal.
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A geometric solid is a 3D solid with volume, or
length, height, and width.
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hello
A hexagon is a shape with 6 sides and angles.
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An isosceles triangle is a
triangle with 2 of it’s
sides and angles equal
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An object can have a line of
symmetry if it can be cut in half
and look exactly the same on
either side at least once.
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An obtuse angle is an angle that
has a measure that’s bigger
than 90 degrees and less than
180 degrees.
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An octagon is a shape, or
polygon that has 8 sides.
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Parallel lines are lines that
can go in any direction
and never intersect and
are the same distance
apart.
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A parallelogram is a 4 sided
polygon that has opposite sides
that are parallel and equal.
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A pentagon is a polygon
with 5 sides.
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wiki/Pentagon_(Tiber
ium)
The perimeter is the
distance around
something.
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Perpendicular lines are
lines that cross and
make a right angle.
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A polygon is a many sided figure that does not
have any curves. It is closed, and does not have
multiple interiors.
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A pyramid is a 3 – D
shape with a polygon for
a base and triangle faces
that come to a point.
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A quadrilateral is a polygon with 4
sides.
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A trapezoid is a 4 sided
shape with 1 pair of parallel
sides.
A rectangle is a 4 sided shape
with 4 right angles and 2 pairs
of opposite equal sides.
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A rectangular prism is a polyhedron with 6
faces that are rectangles.
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A reflection is a mirror image of
something.
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A regular polygon is a polygon
with all of it’s sides and angles
equal.
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A rhombus is a
parallelogram with 4 equal
sides and equal opposite
angles.
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A right angle is an angle that measures 90 degrees.
A right triangle is a triangle with a
right angle.
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A scalene triangle is a
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triangle with all of the sides
not equal in length.
A sphere is a 3-D figure that is
perfectly round.
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A square is a 4 sided shape with all
the sides equal in length and 4 right
angles.
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A straight angle is 2 lines going in opposite
directions and is an angle that measures
180 degrees.
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Symmetry is when an object can be
cut in half and will look the same on
both sides.
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• Three Dimensional, or • www.123rf.com
3-D, means any
object with width,
length, and height.
A triangle is a polygon with 3 sides and 3 angles.
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Two Dimensional, or 2-D,
means any object with length
and width.
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Thanks for watching!!!