equilateral triangle, rhombus, rectangle, isosceles triangle, hexagon, semicircles, hypotenuse, tetrahedron, diagonals, parallelogram, isosceles, octagons, ellipse, crescent, quadrilateral, pattern, counterclockwise rotation, rhomboid, asterism, dodecahedron, trapezoid, conic, spheroid, calyx, spathe, helix, polyhedrons, diagram, chevron, ribbonlike, parabola, teardrop, cloverleaf, squiggle, pincer, plumb bob, concave, neckline, circle, scalene, loops, spadix, pinwheel, sawtooth, gnomon, rim, clove hitch, cumulonimbus cloud, pentagons, synclinal, wishbone, planetesimal, hexagram, cluster, fulcrum, encircling, zigzag, cruciform, stretches, crosshatch, whorl, scissoring, spirals, longways, phi, double helix, bermuda triangle, pentagram, concavity, quadrants, interlocking, syncline, keyway, torus, octahedron, matrix, pilaster, trefoil, orb, crosspieces, lattice, sacrum, sepals, bract, cogwheel, sidespin, rotations, chakra, numeral, covalent bond, tragus, quadrangle, corkscrew, quincunx, ogee, fibonacci, asymptote, backbend, vortex, wedge, volute, darning needle, triangles, square, cube, oval, pentagon, rectangles, cone, arrow, box, fin, arrowhead, globe, geometric, kinematic, simple, topological, geometrical, distribution, equilateral, kinematical, oedipal, space, called, hierarchical, image, layout, linkage, modified, monogamous, multiplicative

acute-angled triangle, acute triangle, cuneus, equiangular triangle, oblique triangle, obtuse-angled triangle, obtuse triangle, right-angled triangle, right triangle, scalene triangle, wedge shape

acute-angled triangle, acute triangle, babushka, base, circular function, construct, cos, cosec, cosecant, cosine, cotan, cotangent, hero, heron, hero of alexandria, hypotenuse, isosceles, isosceles triangle, kaffiyeh, kerchief, longest, metric space, oblique triangle, obtuse-angled triangle, obtuse triangle, right-angled triangle, right triangle, scalene, scalene triangle, sec, secant, side, sin, sine, tan, tangent, triangular, triangularity, trigonometric function

drafting instrument, percussion instrument, percussive instrument, polygon, polygonal shape

trigon, trilateral