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Enidia Xhokaxhiu
Class 5
Unit 3
Geometry Vocabulary
An acute
angle is an
angle less
than 90
degrees.
https://lh3.googleus
ercontent.com/JLQ_Mam7CQ/TXY_zjWuC
OI/AAAAAAAALRk/
OTB2Nzc_HA/s1600/24qlny
0.jpg
http://www.pearw
oodcarpetcleaning.
com/arearugcleani
ng.php
Area is how
much space an
object takes up.
A cube is a 3D
shape. It has
6 sides and all
of them are
squares.
http://www.pl
attcolleges.ed
u/sites/defaul
t/files/blogge
r_importer/s1
600/a97599_
FRUIT.jpg
A cylinder is a 3D shape.
It has two circler bases.
http://dcalgebra.wikidot.com/cylind
er
An equilateral triangle is a perfect triangle
that has 3 equal sides and angles. For
example, a triangle has 3 sides that
measure 5 in. It has 3 angles that all
measure 60 degrees. That is an equilateral
triangle.
http://almostunschoolers.blogspot.com/2011/01/fun-withfractal-geometry.html
A geometric solid is a 3D shape
that has a height, length, and
width like the pictures to the
left.
https://www.pinterest.com/pin/1
11041947034111766/
A hexagon is a polygon
that has 6 sides. ‘Hexa’
means 6.
http://www.calvin.edu/~v
enema/courses/m100/F1
0/hmwk.html
http://ed101.bu.edu/StudentDoc/Archives/fall03/bennettd/Images/PizzaAcuteAngle.jpg
An isosceles
triangle is a
triangle that had 2
sides and angles
that are equal
while the other
sides and angle
isn’t.
An object has a
line of symmetry
when it can be
divided by one or
more lines and
both sides look
the exact same.
http://greatmath
sgames.com/Sym
metry/index_file
s/symmetry.gif
http://ed101.bu.edu/StudentD
oc/Archives/fall03/bennettd/I
mages/ObtuseFan.jpg
An obtuse
angle is an
angle more
than 90
degrees but
less than 180
degrees. A 180
degrees angle
is a line.
An octagon is a 2D polygon that
has 8 sides. ‘Octa’ means 8.
http://1.bp.blogspot.com/_F8J8ffOytKM/S8uz26vsyoI/AAAAAAAAA0I/y9BdjOGssJE/s16
00/stop+sign.JPG
Parallel Lines are lines
that never intersect, or
meet.
http://4.bp.blogspot.com/_sryzRbw3Ug
I/TEc5ieA45I/AAAAAAAAASY/xXbCyWzpc
eA/s1600/hartford_panorama_1.jpg
http://3.bp.blogspot.com/F48MGK7M4dk/UZBDgc7FMI/AAAAAAAAAZA/FvJHmnj8
Ivw/s1600/SAM_0574.JPG
A parallelogram is a quadrilateral
with opposite sides parallel.
http://api.ning.com/files/-DJGNFsw42yrvi73K5e0hRiol0RX7gl*v80G6bZF0QA4ODj-3aDqvAHdy7QNicRKkuEluW2R*Yf69mCXRzAcokAfBfsdNP/pentagon_hexagon_socce
r_ball_resistance2010.jpg
A pentagon is a
polygon that has 5
sides. ‘Penta’ means
5.
Perimeter is the
distance around a
shape or object.
http://www.leslienet
tling.com/perimeter
(color).jpg
https://mathwit
hmrswendling.fil
es.wordpress.co
m/2012/06/per
pendicular.jpg
Perpendicular is when 2 lines meet at a right angle.
(90 degrees)
A polygon is
a shape that
has all 3 or
more
straight
sides.
http://webmat
hs.files.wordpr
ess.com/2010/
12/octagonbilliard-clockcherry.jpg
A pyramid is a 3D shape with a polygon for a base and
triangles for faces and a point at the top. A pyramid
can also be like the picture below.
http://blogs.smithsoni
anmag.com/history/fil
es/2011/08/Pyramidexterior.jpg
A quadrilateral is a
polygon that has 4
sides.
http://www.mathpuzzle.com/NewKi
tes3.gif
http://b1969d.medi
alib.glogster.com/m
edia/1fefdfec1f053
3884caf43fed5605
e8a138af597120c10
537f2afc7860b603
5f/rectangle-reallife-pic.jpg
A rectangle is a 2D shape
the has 2 sides short,
parallel, and 2 sides long,
parallel. A rectangle also has
4 right angles (90 degrees)
A
rectangular
prism is a
prism with 6
rectangular
faces.
http://www.scien
cebuddies.org/Fil
es/2372/5/Math
_img082.jpg
A reflection is a mirror image.
http://itshouldbeeasy.co.uk/wpcontent/uploads/2012/09/reflection-10.jpg
A regular polygon is a polygon that has
all sides and angles equal.
http://www.rogersconnection.com/tria
ngles/images/RCPoly.jpg
A rhombus is a
quadrilateral that
has 2 sets of parallel
lines. It also has 4
equal sides and
opposite angles.
http://www.mathwar
ehouse.com/geometr
y/quadrilaterals/para
llelograms/images/rh
ombus/baseballdiamond-asrhombus.gif
A right angle is an
angle that equals 90
degrees.
http://e08595.medial
ib.glogster.com/media
/74/741620b784e52
f8ce9064a10d176678
2c555313b6145f0511
253cb2cef2d0eb2/ri
ght-angle-jpg.jpg
http://mathand
readinghelp.org
/cimages/multi
mages/26/right
-trianglesandwich.jpg
A right triangle
is a triangle that
has 1 angle that
equals to 90
degrees.
http://4.bp.blogspot.com/8T4a5cdx4l8/Tx1_4xvpxNI/AAAAAAAAEpk/
O_YX8YyMq0Q/s400/Scalene%2BTriangle.jpg
A scalene triangle is a triangle in which there aren’t any angles
that are equal.
A sphere is a
3D solid that
is round like
Earth.
http://geome
try2010p6.wik
ispaces.com/f
ile/view/sphe
re.jpg/13337
9165/276x27
4/sphere.jpg
A square is
quadrilateral
with 4 sides that
are the same
size. A square
also has 4 right
angles that equal
90 degrees and
the opposite
sides are parallel.
http://ediblecraf
ts.craftgossip.co
m/files/2011/07/
rainbowcookiepop
s.cg_.jpg
A straight angle is a line that is exactly 180
degrees.
http://image.mathcaptain.com/cms/images/4
1/straight-angle-in-real-life.jpg
Symmetry is when ½ of an
object is mirror image of
the other ½.
http://randalrauser.com/
wpcontent/uploads/2011/01
/butterfly.jpg
http://4.bp.blogspot.com/SN2VprPLhdE/UZoxr6GDRrI/AAAAAAAAAGM/R3ePsB3Q66w/s1600/3D+Shapes+Poem.jpg
http://www.math-onlymath.com/images/geometrical-shapes-forkids.jpg
A 3 dimensional figure
that has length, width,
and height.
A trapezoid is a quadrilateral that has only 1 set
of parallel lines.
http://2.bp.b
logspot.com/
_s8MG3S6jU
8E/TNNXhN
PzRiI/AAAA
AAAAA24/y
n3Lvp3D9Co/
s1600/IMG_
0038.JPG
A triangle is a
polygon that
has 3 sides
and 3 angles.
http://www.moillusion
s.com/wpcontent/uploads/1.bp.
blogspot.com/_cxmpt
APYRs/RkzVlAgeHPI/AAA
AAAAAA7k/B4BFLIX
wBsQ/s400/dices.jpg
http://2.bp.blog
spot.com/-sRVlYWQ6Ms/UWc
1_0Z6fXI/AAA
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ATSB4fs2w/s6
40/2013-0411+13.42.48.jpg
A two dimensional shape is a shape that has only
length and width and can be drawn.