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# isosceles

[ ahy-**sos**-*uh*-leez ]

## adjective

- (of a straight-sided plane figure) having two sides equal:
*an isosceles triangle; an isosceles trapezoid.*

isosceles

/ aɪˈsɒsɪˌliːz /

## adjective

- (of a triangle) having two sides of equal length
- (of a trapezium) having the two nonparallel sides of equal length

isosceles

/ ī-sŏs**′**ə-lēz′ /

- Of or relating to a geometric figure having at least two sides of equal length.

## Word History and Origins

Origin of isosceles^{1}

*Late Latin*<

*Greek*

*isoskelḗs*with equal legs, equivalent to

*iso-*iso- +

*skél*(

*os*) leg +

*-ēs*adj. suffix

## Word History and Origins

Origin of isosceles^{1}

*isoskelēs,*from iso- +

*skelos*leg

## Example Sentences

If the distances between any two of these were the same, the entire set could not be anti-isosceles.

It’s worth noting that many of these sets were rotations or reflections of each other, meaning if one of them was anti-isosceles then others were as well.

Here are examples of the largest non-isosceles sets for the 5×5 grid and the 6×6 grid, which had seven and nine points, respectively.

Friend-of-The-Riddler Dean Ballard explored non-isosceles sets in three-dimensional grids.

That meant there were four equilateral triangles plus 18 isosceles triangles, or 22 triangles in total.

A gaily coloured hat hung from one of the boats, and over each floated a red flag shaped like an isosceles triangle.

Salvage boat take position at apex isosceles triangle 27.6 degrees with lighthouse and summit hill a mile to the south.

A narrow channel running from the Dorsolum to the Abdomen in Coleoptera, forming an isosceles triangle reversed.

So they crept up to the fire in the formation of an isosceles triangle.

Then ask them if they are equal-legged (isosceles) triangles.

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