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Unit 3 Geometry Vocabulary Jatin Ponnathota Class 3

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An acute angle is an angle that is less than 90 degrees. woodworking168.blogspot.com

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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. epicureandealmaker.blogspot. com

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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 3- D solid with volume, or length, height, and width.

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hello A hexagon is a shape with 6 sides and angles. beccatarnas.wordpress.com

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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. alphabetgeometry.misterteacher.com

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An octagon is a shape, or polygon that has 8 sides.

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sfcitizen.com 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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wiki/Pentagon_(Tiber ium) A pentagon is a polygon with 5 sides.

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The perimeter is the distance around something. jpkc.gdut.edu.cn

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Perpendicular lines are lines that cross and make a right angle. worldclimateissues.wordpress.com

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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. paulscottinfo.ipage.com

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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. en.wikipedia.org

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A quadrilateral is a polygon with 4 sides. blog.lib.umn.edu A trapezoid is a 4 sided shape with 1 pair of parallel sides.

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A rectangle is a 4 sided shape with 4 right angles and 2 pairs of opposite equal sides. games.ianterrell.com

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A rectangular prism is a polyhedron with 6 faces that are rectangles. mperniko.weebly.com

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A reflection is a mirror image of something. hqwallbase.com

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A regular polygon is a polygon with all of it’s sides and angles equal. bioblog.biotunes.org

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joannemattera.blogspot.com 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 triangle with all of the sides not equal in length. sugargar.wix.com

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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. intermath.coe.uga.edu

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ed101.bu.edu 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. gwydir.demon.co.uk

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Three Dimensional, or 3-D, means any object with width, length, and height.

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rayhoughtonphotography.wordpress.com A triangle is a polygon with 3 sides and 3 angles.

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helpyourselftosolvemath.jimdo.com Two Dimensional, or 2-D, means any object with length and width.

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Thanks for watching!!!

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