triangle

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Definition/MeaningWord/Phrase
triangle whose interior angles are all acute acute-angled triangle , acute triangle
woman's headscarf folded into a triangle and tied under the chine; worn by Russian peasant women babushka
function of an angle expressed as a ratio of the sides of right-angled triangle containing the angle circular function , trigonometric function
ratio of the adjacent side to the hypotenuse of a right-angled triangle cos , cosine
ratio of the hypotenuse to the opposite side of a right-angled triangle cosec , cosecant
ratio of the adjacent to the opposite side of a right-angled triangle cotan , cotangent
triangle with three equal sides equilateral
Greek mathematician and inventor who devised a way to determine the area of a triangle and who described various mechanical devices (first century) Hero , Heron , Hero of Alexandria
triangle opposite the right angle, side of hypotenuse
right-triangle side hypotenuse
right triangle's side opposite the right angle hypotenuse
side of a right triangle opposite the right angle hypotenuse
triangle with two equal sides isosceles
triangle with two equal sides isosceles triangle
Arab headdress consisting of a square piece of cloth folded into a triangle and fastened over the crown by an agal kaffiyeh
square scarf that is folded into a triangle and worn over the head or about the neck kerchief
triangle side leg
set of points such that for every pair of points there is a nonnegative real number called their distance that is symmetric and satisfies the triangle inequality metric space
triangle that contains no right angle oblique triangle
triangle that contains an obtuse interior angle obtuse-angled triangle , obtuse triangle
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