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Right-angled triangle
/ɹˈaɪtˈaŋɡəld tɹˈaɪaŋɡəl/
/ɹˈaɪtˈæŋɡəld tɹˈaɪæŋɡəl/Right-angled triangle
01
直角三角形
a flat geometric shape consisting of three straight sides and one right angle
例
An acute angle in a right-angled triangle is an example of an oblique angle.
The hypotenuse is the longest side in a right-angled triangle, opposite the right angle.
In trigonometry, the sine function (sin) relates the ratio of the length of the opposite side to the hypotenuse in a right-angled triangle.
