# right-angled triangle

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Related to right-angled triangle: hypotenuse

## right-angled triangle

n
(Mathematics) a triangle one angle of which is a right angle. US and Canadian name: right triangle
ThesaurusAntonymsRelated WordsSynonymsLegend:
 Noun 1 right-angled triangle - a triangle with one right angle  right triangletriangle, trigon, trilateral - a three-sided polygonhypotenuse - the side of a right triangle opposite the right angle
References in periodicals archive ?
The shape's all right, a proper right-angled triangle with perimeter of 374 feet.
What name is given to the side of a right-angled triangle opposite to the angle of 90 degrees?
Two of Euclid's theorems - 'of a leg' and 'of an altitude', which deal with the right-angled triangle, are given in [4] as predecessors of the Pythagoras' theorem in the following wording.
An isosceles right-angled triangle metallic patch with the two equal sides of [M.
In geometry, how many right angles does a right-angled triangle have?
Repeated applications of Pythagoras' Rule, relating the lengths of the sides of a right-angled triangle, can be used to find the relative distances between the centre and the vertices, and also the relative distances between vertices.
His difficulty was that he had only learned trigonometric functions in the context of a right-angled triangle, as in figure 1.
Al-Ward, born in Idleb province in 1971, said that the discovered laws produced a relation which specifies the connection between the sharp angles and sides in the right-angled triangle.
Then draw one large right-angled triangle and one smaller right-angled triangle.
Given that you only know a side and angle, trigonometry allows you to calculate one of the other sides of a right-angled triangle.
It thus follows that no right-angled triangle can be inscribed in the lattice cubic y = [x.

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