Triangles Word Search

Illustrated Triangles scene — AI-generated artwork behind this topic's word search puzzle
Illustrated Triangles scene — AI-generated artwork behind this topic's word search puzzle

This Triangles word search hides 12 words on a 15×15 grid — the terms and ideas of a school subject. Trace each one with a finger or mouse and it locks in as soon as the whole word is covered. No signup, no download.

Words to find: TRIANGLE, VERTEX, HYPOTENUSE, BASE, HEIGHT, AREA, PERIMETER, SCALENE, ISOSCELES, EQUILATERAL, RIGHT, OBTUSE.

Words run in any of eight directions, backwards included — if one refuses to turn up, try reading the grid right to left.

Triangles word list, defined

TRIANGLE /ˈtraɪæŋɡəl/ · noun
A closed plane figure with three straight sides and three angles. The word also denotes a musical instrument consisting of a metal rod bent into a triangle and struck with a beater. Related: three-sided figure, trigon, triangular shape.
VERTEX /ˈvɜːtɪks/ (British); /ˈvɜːrtɛks/ (American) · noun; rare verb
A point where two or more lines, edges, or surfaces meet, especially a corner of a polygon or polyhedron; in graph theory, a node representing such a connection point. More generally, it can also mean the highest point or apex. Related: apex, corner, point, node.
HYPOTENUSE /haɪˈpɒtənjuːz/ · noun
In a right-angled triangle, the hypotenuse is the side opposite the right angle. It is also the longest side of the triangle.
BASE /beɪs/ · noun, verb, adjective
The lowest part or foundation of something on which it stands or is built; also, a starting point or underlying support for an idea, activity, or system. Related: foundation, footing, basis, groundwork.
HEIGHT /haɪt/ · noun
The vertical extent or elevation of an object, person, or feature. By extension, it means a person's stature or the high point reached by something in status, quality, emotion, or time. Related: altitude, stature, elevation, tallness.
AREA /ˈɛəriə/ · noun
A part or extent of a surface, region, or space; also, a particular subject, field of activity, or domain of interest. Related: zone, region, district, territory.
PERIMETER /pəˈrɪmɪtər/ · noun; verb
The perimeter of an area, object, or geometric figure is its enclosing outer boundary. By extension, it can mean the limits of a place, institution, or field of activity. Related: boundary, border, edge, circumference.
SCALENE /ˈskeɪliːn/ · adjective
A scalene triangle is a triangle whose three sides have different lengths. The word can also describe a scalene muscle, one of three muscles in the neck. Related: unequal-sided, non-equilateral.
ISOSCELES /aɪˈsɒsəliːz/ · adjective
Denoting a triangle that has two sides of equal length. It may also describe other geometric figures or arrangements characterized by two equal sides.
EQUILATERAL /ˌiːkwɪˈlætərəl/ · adjective
Having all sides of equal length; especially used of a polygon or triangle whose sides are all equal. Related: equal-sided, regular, uniform.
RIGHT /raɪt/ · noun, verb, adjective, adverb, interjection
Right means morally or legally acceptable, correct, or suitable; it can also mean opposite to left, and as a noun it denotes an entitlement or advantage. As an adverb it can mean exactly or immediately, while as a verb it means to correct or put something in order. Related: correct, proper, suitable, appropriate.
OBTUSE /əbˈtjuːz/ (British); /əbˈtuːz/ (US) · adjective
Obtuse describes an angle greater than 90 degrees and less than 180 degrees. Figuratively, it means slow to understand, unintelligent, or insensitive. Related: dull-witted, slow-witted, dim-witted, stupid.

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