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isosceles
Use
Isosceles
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isosceles
^{}
/
aɪˈsɒs
əˌliz
/
Show Spelled
[
ahy
sos

uh
leez
]
Show IPA
adjective
(of a straightsided plane figure) having two sides equal:
an
isosceles triangle
; an isosceles
trapezoid
.
Origin:
1545–55;
<
Late Latin
<
Greek
isoskelḗs
with equal legs, equivalent to
iso
iso
+
skél
(
os
) leg +
ēs
adj. suffix
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source

Link To
isosceles
Collins
World English Dictionary
isosceles
(aɪˈsɒsɪˌliːz)
—
adj
1.
(of a triangle) having two sides of equal length
2.
(of a trapezium) having the two nonparallel sides of equal length
[C16: from Late Latin, from Greek
isoskelēs,
from
iso
+
skelos
leg]
Collins English Dictionary  Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Relevant Questions
Who Was Isoscele?
How To Find The Area Of An Isosceles Triangle
How To Calculate An Isosceles Triangle
What Is The Degrees Of An Isosceles Triangle?
What Is An Isosceles?
How To Find The Perimeter Of An Isosceles Triangle Given The Height Base
Who Was Isoscele?
What Is An Isosceles?
How To Calculate An Isosceles Triangle
How To Find The Area Of An Isosceles Triangle
Etymonline
Word Origin & History
isosceles
1551, from L.L. isosceles, from Gk. isoskeles "with equal sides," from isos "equal" + skelos "leg" (see
scalene
).
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
American Heritage
Science Dictionary
isosceles
(īsŏs'əlēz')
Pronunciation Key
Of or relating to a geometric figure having at least two sides of equal length.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Example sentences
Draw a circle in the center and then five lines from the center to the corners to create five
isosceles
triangles.
The figure shows a row of six solid white
isosceles
triangles.
Ask students to find two right angle
isosceles
triangles and predict what will
be formed when they slide them together.
They will then find measures of the angles using the properties of
isosceles
and right triangles.
The atoms in a water moleculetwo hydrogen and one oxygenare arranged at the corners of an
isosceles
triangle.
When students work with tangrams, two congruent
isosceles
right triangles can be put together to compose a square.
FAll
isosceles
triangles are also equilateral triangles.
Most of the shapes of elementary geometry relate to the rectangle, and to the
isosceles
triangles generated by its diagonals.
The nose cone triangle can either be an
isosceles
or equilateral triangle.
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