英 [ˌraɪt æŋɡld ˈtraɪæŋɡl] 美 [ˌraɪt æŋɡld ˈtraɪæŋɡl]
[数] 直角三角形
right-angled triangle //
可数名词 A right-angled triangle has one angle that is a right angle. 直三角形
a triangle with one right angle
同义词： right triangle
直角二角形
直角三角形
... scalene triangle 不等边三角形 right-angled triangle 直角三角形 base 底 ...
In fact, it is a right-angled triangle.
事实上，那是一个直角三角形。
Given the lengths of the two sides of a right-angled triangle, we can find out the length of a third side.
如果晓得直角三角形两个边的长度，咱们就能求出第三边的长度。
The protection appliance has a wedge-shaped fixture block with a side surface similar to a right-angled triangle;
它有一个侧面近似 为直角三角形的楔形卡块；